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Finding the Fourth Proportional to 15,062.10, 22,572.03 and 12,829.30

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Solution

The fourth proportional to 15,062.10, 22,572.03 and 12,829.30 is: 19,225.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,062.10 : 22,572.03 = 12,829.30 : x
  2. Step 2: Convert to fraction form
    15,062.10/22,572.03 = 12,829.30/x
  3. Step 3: Cross multiply
    15,062.10x = 22,572.03 × 12,829.30
  4. Step 4: Simplify right side
    15,062.10x = 289,583,344.48
  5. Step 5: Solve for x
    x = 289,583,344.48/15,062.10
  6. Step 6: Final answer
    x = 19,225.96

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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.