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Finding the Fourth Proportional to 62,908.60, 86,813.72 and 34,614.29

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Solution

The fourth proportional to 62,908.60, 86,813.72 and 34,614.29 is: 47,767.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,908.60 : 86,813.72 = 34,614.29 : x
  2. Step 2: Convert to fraction form
    62,908.60/86,813.72 = 34,614.29/x
  3. Step 3: Cross multiply
    62,908.60x = 86,813.72 × 34,614.29
  4. Step 4: Simplify right side
    62,908.60x = 3,004,995,160.20
  5. Step 5: Solve for x
    x = 3,004,995,160.20/62,908.60
  6. Step 6: Final answer
    x = 47,767.64

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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.