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Finding the Fourth Proportional to 57,387.10, 86,092.84 and 17,947.19

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Solution

The fourth proportional to 57,387.10, 86,092.84 and 17,947.19 is: 26,924.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,387.10 : 86,092.84 = 17,947.19 : x
  2. Step 2: Convert to fraction form
    57,387.10/86,092.84 = 17,947.19/x
  3. Step 3: Cross multiply
    57,387.10x = 86,092.84 × 17,947.19
  4. Step 4: Simplify right side
    57,387.10x = 1,545,124,557.12
  5. Step 5: Solve for x
    x = 1,545,124,557.12/57,387.10
  6. Step 6: Final answer
    x = 26,924.60

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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.