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Finding the Fourth Proportional to 15,229.01, 22,848.13 and 7,229.91

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Solution

The fourth proportional to 15,229.01, 22,848.13 and 7,229.91 is: 10,847.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,229.01 : 22,848.13 = 7,229.91 : x
  2. Step 2: Convert to fraction form
    15,229.01/22,848.13 = 7,229.91/x
  3. Step 3: Cross multiply
    15,229.01x = 22,848.13 × 7,229.91
  4. Step 4: Simplify right side
    15,229.01x = 165,189,849.10
  5. Step 5: Solve for x
    x = 165,189,849.10/15,229.01
  6. Step 6: Final answer
    x = 10,847.05

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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.