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Finding the Fourth Proportional to 54,996.80, 82,495.20 and 32,543.60

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Solution

The fourth proportional to 54,996.80, 82,495.20 and 32,543.60 is: 48,815.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,996.80 : 82,495.20 = 32,543.60 : x
  2. Step 2: Convert to fraction form
    54,996.80/82,495.20 = 32,543.60/x
  3. Step 3: Cross multiply
    54,996.80x = 82,495.20 × 32,543.60
  4. Step 4: Simplify right side
    54,996.80x = 2,684,690,790.72
  5. Step 5: Solve for x
    x = 2,684,690,790.72/54,996.80
  6. Step 6: Final answer
    x = 48,815.40

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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.