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Finding the Fourth Proportional to 15,375.92, 23,059.92 and 5,514.08

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Solution

The fourth proportional to 15,375.92, 23,059.92 and 5,514.08 is: 8,269.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,375.92 : 23,059.92 = 5,514.08 : x
  2. Step 2: Convert to fraction form
    15,375.92/23,059.92 = 5,514.08/x
  3. Step 3: Cross multiply
    15,375.92x = 23,059.92 × 5,514.08
  4. Step 4: Simplify right side
    15,375.92x = 127,154,243.67
  5. Step 5: Solve for x
    x = 127,154,243.67/15,375.92
  6. Step 6: Final answer
    x = 8,269.70

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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.