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Finding the Fourth Proportional to 60,573.89, 91,057.66 and 60,278.65

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Solution

The fourth proportional to 60,573.89, 91,057.66 and 60,278.65 is: 90,613.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,573.89 : 91,057.66 = 60,278.65 : x
  2. Step 2: Convert to fraction form
    60,573.89/91,057.66 = 60,278.65/x
  3. Step 3: Cross multiply
    60,573.89x = 91,057.66 × 60,278.65
  4. Step 4: Simplify right side
    60,573.89x = 5,488,832,438.62
  5. Step 5: Solve for x
    x = 5,488,832,438.62/60,573.89
  6. Step 6: Final answer
    x = 90,613.83

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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.