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Finding the Fourth Proportional to 15,220.56, 22,833.02 and 4,691.48

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Solution

The fourth proportional to 15,220.56, 22,833.02 and 4,691.48 is: 7,037.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,220.56 : 22,833.02 = 4,691.48 : x
  2. Step 2: Convert to fraction form
    15,220.56/22,833.02 = 4,691.48/x
  3. Step 3: Cross multiply
    15,220.56x = 22,833.02 × 4,691.48
  4. Step 4: Simplify right side
    15,220.56x = 107,120,554.23
  5. Step 5: Solve for x
    x = 107,120,554.23/15,220.56
  6. Step 6: Final answer
    x = 7,037.88

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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.