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Finding the Fourth Proportional to 54,816.80, 82,244.40 and 52,896.80

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Solution

The fourth proportional to 54,816.80, 82,244.40 and 52,896.80 is: 79,363.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,816.80 : 82,244.40 = 52,896.80 : x
  2. Step 2: Convert to fraction form
    54,816.80/82,244.40 = 52,896.80/x
  3. Step 3: Cross multiply
    54,816.80x = 82,244.40 × 52,896.80
  4. Step 4: Simplify right side
    54,816.80x = 4,350,465,577.92
  5. Step 5: Solve for x
    x = 4,350,465,577.92/54,816.80
  6. Step 6: Final answer
    x = 79,363.73

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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.