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Finding the Fourth Proportional to 62,706.56, 86,530.56 and 35,850.20

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Solution

The fourth proportional to 62,706.56, 86,530.56 and 35,850.20 is: 49,470.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,706.56 : 86,530.56 = 35,850.20 : x
  2. Step 2: Convert to fraction form
    62,706.56/86,530.56 = 35,850.20/x
  3. Step 3: Cross multiply
    62,706.56x = 86,530.56 × 35,850.20
  4. Step 4: Simplify right side
    62,706.56x = 3,102,137,882.11
  5. Step 5: Solve for x
    x = 3,102,137,882.11/62,706.56
  6. Step 6: Final answer
    x = 49,470.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.