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Finding the Fourth Proportional to 41,472, 62,208 and 25,881.60

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Solution

The fourth proportional to 41,472, 62,208 and 25,881.60 is: 38,822.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,472 : 62,208 = 25,881.60 : x
  2. Step 2: Convert to fraction form
    41,472/62,208 = 25,881.60/x
  3. Step 3: Cross multiply
    41,472x = 62,208 × 25,881.60
  4. Step 4: Simplify right side
    41,472x = 1,610,042,572.80
  5. Step 5: Solve for x
    x = 1,610,042,572.80/41,472
  6. Step 6: Final answer
    x = 38,822.40

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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.