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Finding the Fourth Proportional to 54,572.80, 81,859.20 and 41,353.60

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Solution

The fourth proportional to 54,572.80, 81,859.20 and 41,353.60 is: 62,030.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,572.80 : 81,859.20 = 41,353.60 : x
  2. Step 2: Convert to fraction form
    54,572.80/81,859.20 = 41,353.60/x
  3. Step 3: Cross multiply
    54,572.80x = 81,859.20 × 41,353.60
  4. Step 4: Simplify right side
    54,572.80x = 3,385,172,613.12
  5. Step 5: Solve for x
    x = 3,385,172,613.12/54,572.80
  6. Step 6: Final answer
    x = 62,030.40

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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.