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Finding the Fourth Proportional to 7,344,855.70, 10,293,426.80 and 7,344,855.70

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Solution

The fourth proportional to 7,344,855.70, 10,293,426.80 and 7,344,855.70 is: 10,293,426.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,344,855.70 : 10,293,426.80 = 7,344,855.70 : x
  2. Step 2: Convert to fraction form
    7,344,855.70/10,293,426.80 = 7,344,855.70/x
  3. Step 3: Cross multiply
    7,344,855.70x = 10,293,426.80 × 7,344,855.70
  4. Step 4: Simplify right side
    7,344,855.70x = 75,603,734,504,512.77
  5. Step 5: Solve for x
    x = 75,603,734,504,512.77/7,344,855.70
  6. Step 6: Final answer
    x = 10,293,426.80

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.