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Finding the Fourth Proportional to 53,649.55, 80,476.01 and 25,572.65

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Solution

The fourth proportional to 53,649.55, 80,476.01 and 25,572.65 is: 38,359.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,649.55 : 80,476.01 = 25,572.65 : x
  2. Step 2: Convert to fraction form
    53,649.55/80,476.01 = 25,572.65/x
  3. Step 3: Cross multiply
    53,649.55x = 80,476.01 × 25,572.65
  4. Step 4: Simplify right side
    53,649.55x = 2,057,985,102.25
  5. Step 5: Solve for x
    x = 2,057,985,102.25/53,649.55
  6. Step 6: Final answer
    x = 38,359.78

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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.