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Finding the Fourth Proportional to 15,309.16, 22,951.08 and 5,819.52

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Solution

The fourth proportional to 15,309.16, 22,951.08 and 5,819.52 is: 8,724.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,309.16 : 22,951.08 = 5,819.52 : x
  2. Step 2: Convert to fraction form
    15,309.16/22,951.08 = 5,819.52/x
  3. Step 3: Cross multiply
    15,309.16x = 22,951.08 × 5,819.52
  4. Step 4: Simplify right side
    15,309.16x = 133,564,269.08
  5. Step 5: Solve for x
    x = 133,564,269.08/15,309.16
  6. Step 6: Final answer
    x = 8,724.47

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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.