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Finding the Fourth Proportional to 40,470.99, 60,706.51 and 10,891.82

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Solution

The fourth proportional to 40,470.99, 60,706.51 and 10,891.82 is: 16,337.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,470.99 : 60,706.51 = 10,891.82 : x
  2. Step 2: Convert to fraction form
    40,470.99/60,706.51 = 10,891.82/x
  3. Step 3: Cross multiply
    40,470.99x = 60,706.51 × 10,891.82
  4. Step 4: Simplify right side
    40,470.99x = 661,204,224.08
  5. Step 5: Solve for x
    x = 661,204,224.08/40,470.99
  6. Step 6: Final answer
    x = 16,337.73

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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.