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Finding the Fourth Proportional to 39,908, 59,862.30 and 17,715.41

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Solution

The fourth proportional to 39,908, 59,862.30 and 17,715.41 is: 26,573.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,908 : 59,862.30 = 17,715.41 : x
  2. Step 2: Convert to fraction form
    39,908/59,862.30 = 17,715.41/x
  3. Step 3: Cross multiply
    39,908x = 59,862.30 × 17,715.41
  4. Step 4: Simplify right side
    39,908x = 1,060,485,188.04
  5. Step 5: Solve for x
    x = 1,060,485,188.04/39,908
  6. Step 6: Final answer
    x = 26,573.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.