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Finding the Fourth Proportional to 54,331.60, 81,531.60 and 23,166.40

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Solution

The fourth proportional to 54,331.60, 81,531.60 and 23,166.40 is: 34,764.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,331.60 : 81,531.60 = 23,166.40 : x
  2. Step 2: Convert to fraction form
    54,331.60/81,531.60 = 23,166.40/x
  3. Step 3: Cross multiply
    54,331.60x = 81,531.60 × 23,166.40
  4. Step 4: Simplify right side
    54,331.60x = 1,888,793,658.24
  5. Step 5: Solve for x
    x = 1,888,793,658.24/54,331.60
  6. Step 6: Final answer
    x = 34,764.18

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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.