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Finding the Fourth Proportional to 15,193.71, 22,760.04 and 7,572.01

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Solution

The fourth proportional to 15,193.71, 22,760.04 and 7,572.01 is: 11,342.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,193.71 : 22,760.04 = 7,572.01 : x
  2. Step 2: Convert to fraction form
    15,193.71/22,760.04 = 7,572.01/x
  3. Step 3: Cross multiply
    15,193.71x = 22,760.04 × 7,572.01
  4. Step 4: Simplify right side
    15,193.71x = 172,339,193.58
  5. Step 5: Solve for x
    x = 172,339,193.58/15,193.71
  6. Step 6: Final answer
    x = 11,342.80

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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.