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Finding the Fourth Proportional to 60,960.57, 91,431.61 and 16,590.78

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Solution

The fourth proportional to 60,960.57, 91,431.61 and 16,590.78 is: 24,883.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,960.57 : 91,431.61 = 16,590.78 : x
  2. Step 2: Convert to fraction form
    60,960.57/91,431.61 = 16,590.78/x
  3. Step 3: Cross multiply
    60,960.57x = 91,431.61 × 16,590.78
  4. Step 4: Simplify right side
    60,960.57x = 1,516,921,606.97
  5. Step 5: Solve for x
    x = 1,516,921,606.97/60,960.57
  6. Step 6: Final answer
    x = 24,883.65

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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.