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Finding the Fourth Proportional to 54,310.80, 81,466.20 and 22,715.40

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Solution

The fourth proportional to 54,310.80, 81,466.20 and 22,715.40 is: 34,073.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,310.80 : 81,466.20 = 22,715.40 : x
  2. Step 2: Convert to fraction form
    54,310.80/81,466.20 = 22,715.40/x
  3. Step 3: Cross multiply
    54,310.80x = 81,466.20 × 22,715.40
  4. Step 4: Simplify right side
    54,310.80x = 1,850,537,319.48
  5. Step 5: Solve for x
    x = 1,850,537,319.48/54,310.80
  6. Step 6: Final answer
    x = 34,073.10

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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.