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Finding the Fourth Proportional to 60,715.80, 91,073.69 and 16,342.65

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Solution

The fourth proportional to 60,715.80, 91,073.69 and 16,342.65 is: 24,513.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,715.80 : 91,073.69 = 16,342.65 : x
  2. Step 2: Convert to fraction form
    60,715.80/91,073.69 = 16,342.65/x
  3. Step 3: Cross multiply
    60,715.80x = 91,073.69 × 16,342.65
  4. Step 4: Simplify right side
    60,715.80x = 1,488,385,439.88
  5. Step 5: Solve for x
    x = 1,488,385,439.88/60,715.80
  6. Step 6: Final answer
    x = 24,513.97

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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.