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Finding the Fourth Proportional to 62,382, 86,088.60 and 38,525.04

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Solution

The fourth proportional to 62,382, 86,088.60 and 38,525.04 is: 53,165.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,382 : 86,088.60 = 38,525.04 : x
  2. Step 2: Convert to fraction form
    62,382/86,088.60 = 38,525.04/x
  3. Step 3: Cross multiply
    62,382x = 86,088.60 × 38,525.04
  4. Step 4: Simplify right side
    62,382x = 3,316,566,758.54
  5. Step 5: Solve for x
    x = 3,316,566,758.54/62,382
  6. Step 6: Final answer
    x = 53,165.44

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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.