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Finding the Fourth Proportional to 53,396.75, 80,092.37 and 15,957.13

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Solution

The fourth proportional to 53,396.75, 80,092.37 and 15,957.13 is: 23,934.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,396.75 : 80,092.37 = 15,957.13 : x
  2. Step 2: Convert to fraction form
    53,396.75/80,092.37 = 15,957.13/x
  3. Step 3: Cross multiply
    53,396.75x = 80,092.37 × 15,957.13
  4. Step 4: Simplify right side
    53,396.75x = 1,278,044,360.10
  5. Step 5: Solve for x
    x = 1,278,044,360.10/53,396.75
  6. Step 6: Final answer
    x = 23,934.87

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1.5x scale

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.