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Finding the Fourth Proportional to 25,773.39, 38,669.28 and 15,901.17

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Solution

The fourth proportional to 25,773.39, 38,669.28 and 15,901.17 is: 23,857.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,773.39 : 38,669.28 = 15,901.17 : x
  2. Step 2: Convert to fraction form
    25,773.39/38,669.28 = 15,901.17/x
  3. Step 3: Cross multiply
    25,773.39x = 38,669.28 × 15,901.17
  4. Step 4: Simplify right side
    25,773.39x = 614,886,795.06
  5. Step 5: Solve for x
    x = 614,886,795.06/25,773.39
  6. Step 6: Final answer
    x = 23,857.43

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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.