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Finding the Fourth Proportional to 25,381.44, 38,053.44 and 9,792

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Solution

The fourth proportional to 25,381.44, 38,053.44 and 9,792 is: 14,680.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,381.44 : 38,053.44 = 9,792 : x
  2. Step 2: Convert to fraction form
    25,381.44/38,053.44 = 9,792/x
  3. Step 3: Cross multiply
    25,381.44x = 38,053.44 × 9,792
  4. Step 4: Simplify right side
    25,381.44x = 372,619,284.48
  5. Step 5: Solve for x
    x = 372,619,284.48/25,381.44
  6. Step 6: Final answer
    x = 14,680.78

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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.