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Finding the Fourth Proportional to 15,008.29, 22,512.44 and 3,914.96

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Solution

The fourth proportional to 15,008.29, 22,512.44 and 3,914.96 is: 5,872.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,008.29 : 22,512.44 = 3,914.96 : x
  2. Step 2: Convert to fraction form
    15,008.29/22,512.44 = 3,914.96/x
  3. Step 3: Cross multiply
    15,008.29x = 22,512.44 × 3,914.96
  4. Step 4: Simplify right side
    15,008.29x = 88,135,368.17
  5. Step 5: Solve for x
    x = 88,135,368.17/15,008.29
  6. Step 6: Final answer
    x = 5,872.45

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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.