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Finding the Fourth Proportional to 66,553.74, 99,772.29 and 25,029.90

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Solution

The fourth proportional to 66,553.74, 99,772.29 and 25,029.90 is: 37,522.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,553.74 : 99,772.29 = 25,029.90 : x
  2. Step 2: Convert to fraction form
    66,553.74/99,772.29 = 25,029.90/x
  3. Step 3: Cross multiply
    66,553.74x = 99,772.29 × 25,029.90
  4. Step 4: Simplify right side
    66,553.74x = 2,497,290,441.47
  5. Step 5: Solve for x
    x = 2,497,290,441.47/66,553.74
  6. Step 6: Final answer
    x = 37,522.92

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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.