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Finding the Fourth Proportional to 15,168.32, 22,737 and 9,625.76

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Solution

The fourth proportional to 15,168.32, 22,737 and 9,625.76 is: 14,428.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,168.32 : 22,737 = 9,625.76 : x
  2. Step 2: Convert to fraction form
    15,168.32/22,737 = 9,625.76/x
  3. Step 3: Cross multiply
    15,168.32x = 22,737 × 9,625.76
  4. Step 4: Simplify right side
    15,168.32x = 218,860,905.12
  5. Step 5: Solve for x
    x = 218,860,905.12/15,168.32
  6. Step 6: Final answer
    x = 14,428.82

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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.