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Finding the Fourth Proportional to 62,660.57, 86,477.90 and 35,807.04

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Solution

The fourth proportional to 62,660.57, 86,477.90 and 35,807.04 is: 49,417.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,660.57 : 86,477.90 = 35,807.04 : x
  2. Step 2: Convert to fraction form
    62,660.57/86,477.90 = 35,807.04/x
  3. Step 3: Cross multiply
    62,660.57x = 86,477.90 × 35,807.04
  4. Step 4: Simplify right side
    62,660.57x = 3,096,517,445.38
  5. Step 5: Solve for x
    x = 3,096,517,445.38/62,660.57
  6. Step 6: Final answer
    x = 49,417.32

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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.