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Finding the Fourth Proportional to 62,565.84, 86,343.24 and 35,712.72

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Solution

The fourth proportional to 62,565.84, 86,343.24 and 35,712.72 is: 49,284.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,565.84 : 86,343.24 = 35,712.72 : x
  2. Step 2: Convert to fraction form
    62,565.84/86,343.24 = 35,712.72/x
  3. Step 3: Cross multiply
    62,565.84x = 86,343.24 × 35,712.72
  4. Step 4: Simplify right side
    62,565.84x = 3,083,551,954.01
  5. Step 5: Solve for x
    x = 3,083,551,954.01/62,565.84
  6. Step 6: Final answer
    x = 49,284.91

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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.