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Finding the Fourth Proportional to 54,323.92, 81,487.59 and 16,884.19

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Solution

The fourth proportional to 54,323.92, 81,487.59 and 16,884.19 is: 25,326.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,323.92 : 81,487.59 = 16,884.19 : x
  2. Step 2: Convert to fraction form
    54,323.92/81,487.59 = 16,884.19/x
  3. Step 3: Cross multiply
    54,323.92x = 81,487.59 × 16,884.19
  4. Step 4: Simplify right side
    54,323.92x = 1,375,851,952.20
  5. Step 5: Solve for x
    x = 1,375,851,952.20/54,323.92
  6. Step 6: Final answer
    x = 25,326.82

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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.