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Finding the Fourth Proportional to 60,909.80, 83,732.41 and 52,380.68

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Solution

The fourth proportional to 60,909.80, 83,732.41 and 52,380.68 is: 72,007.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,909.80 : 83,732.41 = 52,380.68 : x
  2. Step 2: Convert to fraction form
    60,909.80/83,732.41 = 52,380.68/x
  3. Step 3: Cross multiply
    60,909.80x = 83,732.41 × 52,380.68
  4. Step 4: Simplify right side
    60,909.80x = 4,385,960,573.84
  5. Step 5: Solve for x
    x = 4,385,960,573.84/60,909.80
  6. Step 6: Final answer
    x = 72,007.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.