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Finding the Fourth Proportional to 54,315.30, 81,472.95 and 36,600.60

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Solution

The fourth proportional to 54,315.30, 81,472.95 and 36,600.60 is: 54,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,315.30 : 81,472.95 = 36,600.60 : x
  2. Step 2: Convert to fraction form
    54,315.30/81,472.95 = 36,600.60/x
  3. Step 3: Cross multiply
    54,315.30x = 81,472.95 × 36,600.60
  4. Step 4: Simplify right side
    54,315.30x = 2,981,958,853.77
  5. Step 5: Solve for x
    x = 2,981,958,853.77/54,315.30
  6. Step 6: Final answer
    x = 54,900.90

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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.