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Finding the Fourth Proportional to 22,380, 33,545.76 and 10,672.32

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Solution

The fourth proportional to 22,380, 33,545.76 and 10,672.32 is: 15,996.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,380 : 33,545.76 = 10,672.32 : x
  2. Step 2: Convert to fraction form
    22,380/33,545.76 = 10,672.32/x
  3. Step 3: Cross multiply
    22,380x = 33,545.76 × 10,672.32
  4. Step 4: Simplify right side
    22,380x = 358,011,085.36
  5. Step 5: Solve for x
    x = 358,011,085.36/22,380
  6. Step 6: Final answer
    x = 15,996.92

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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.