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Finding the Fourth Proportional to 6,846.70, 10,270.05 and 4,659.70

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Solution

The fourth proportional to 6,846.70, 10,270.05 and 4,659.70 is: 6,989.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,846.70 : 10,270.05 = 4,659.70 : x
  2. Step 2: Convert to fraction form
    6,846.70/10,270.05 = 4,659.70/x
  3. Step 3: Cross multiply
    6,846.70x = 10,270.05 × 4,659.70
  4. Step 4: Simplify right side
    6,846.70x = 47,855,351.99
  5. Step 5: Solve for x
    x = 47,855,351.99/6,846.70
  6. Step 6: Final answer
    x = 6,989.55

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Half scale
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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.