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Finding the Fourth Proportional to 40,008.88, 59,972.28 and 15,044.32

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Solution

The fourth proportional to 40,008.88, 59,972.28 and 15,044.32 is: 22,551.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,008.88 : 59,972.28 = 15,044.32 : x
  2. Step 2: Convert to fraction form
    40,008.88/59,972.28 = 15,044.32/x
  3. Step 3: Cross multiply
    40,008.88x = 59,972.28 × 15,044.32
  4. Step 4: Simplify right side
    40,008.88x = 902,242,171.45
  5. Step 5: Solve for x
    x = 902,242,171.45/40,008.88
  6. Step 6: Final answer
    x = 22,551.05

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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.