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Finding the Fourth Proportional to 54,317.80, 81,452.40 and 24,720.40

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Solution

The fourth proportional to 54,317.80, 81,452.40 and 24,720.40 is: 37,069.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,317.80 : 81,452.40 = 24,720.40 : x
  2. Step 2: Convert to fraction form
    54,317.80/81,452.40 = 24,720.40/x
  3. Step 3: Cross multiply
    54,317.80x = 81,452.40 × 24,720.40
  4. Step 4: Simplify right side
    54,317.80x = 2,013,535,908.96
  5. Step 5: Solve for x
    x = 2,013,535,908.96/54,317.80
  6. Step 6: Final answer
    x = 37,069.54

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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.