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Finding the Fourth Proportional to 53,407.97, 80,092.80 and 15,961.07

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Solution

The fourth proportional to 53,407.97, 80,092.80 and 15,961.07 is: 23,935.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,407.97 : 80,092.80 = 15,961.07 : x
  2. Step 2: Convert to fraction form
    53,407.97/80,092.80 = 15,961.07/x
  3. Step 3: Cross multiply
    53,407.97x = 80,092.80 × 15,961.07
  4. Step 4: Simplify right side
    53,407.97x = 1,278,366,787.30
  5. Step 5: Solve for x
    x = 1,278,366,787.30/53,407.97
  6. Step 6: Final answer
    x = 23,935.88

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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.