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Finding the Fourth Proportional to 7,041.19, 10,572.17 and 3,927.28

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Solution

The fourth proportional to 7,041.19, 10,572.17 and 3,927.28 is: 5,896.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,041.19 : 10,572.17 = 3,927.28 : x
  2. Step 2: Convert to fraction form
    7,041.19/10,572.17 = 3,927.28/x
  3. Step 3: Cross multiply
    7,041.19x = 10,572.17 × 3,927.28
  4. Step 4: Simplify right side
    7,041.19x = 41,519,825.73
  5. Step 5: Solve for x
    x = 41,519,825.73/7,041.19
  6. Step 6: Final answer
    x = 5,896.71

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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.