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Finding the Fourth Proportional to 54,000.70, 81,037.20 and 22,410.80

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Solution

The fourth proportional to 54,000.70, 81,037.20 and 22,410.80 is: 33,631.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,000.70 : 81,037.20 = 22,410.80 : x
  2. Step 2: Convert to fraction form
    54,000.70/81,037.20 = 22,410.80/x
  3. Step 3: Cross multiply
    54,000.70x = 81,037.20 × 22,410.80
  4. Step 4: Simplify right side
    54,000.70x = 1,816,108,076.57
  5. Step 5: Solve for x
    x = 1,816,108,076.57/54,000.70
  6. Step 6: Final answer
    x = 33,631.20

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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.