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Finding the Fourth Proportional to 6,115.70, 9,173.55 and 6,115.70

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Solution

The fourth proportional to 6,115.70, 9,173.55 and 6,115.70 is: 9,173.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.70 : 9,173.55 = 6,115.70 : x
  2. Step 2: Convert to fraction form
    6,115.70/9,173.55 = 6,115.70/x
  3. Step 3: Cross multiply
    6,115.70x = 9,173.55 × 6,115.70
  4. Step 4: Simplify right side
    6,115.70x = 56,102,679.74
  5. Step 5: Solve for x
    x = 56,102,679.74/6,115.70
  6. Step 6: Final answer
    x = 9,173.55

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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.