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Finding the Fourth Proportional to 10,593.91, 15,891.47 and 4,019.95

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Solution

The fourth proportional to 10,593.91, 15,891.47 and 4,019.95 is: 6,030.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,593.91 : 15,891.47 = 4,019.95 : x
  2. Step 2: Convert to fraction form
    10,593.91/15,891.47 = 4,019.95/x
  3. Step 3: Cross multiply
    10,593.91x = 15,891.47 × 4,019.95
  4. Step 4: Simplify right side
    10,593.91x = 63,882,815.27
  5. Step 5: Solve for x
    x = 63,882,815.27/10,593.91
  6. Step 6: Final answer
    x = 6,030.15

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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.