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Finding the Fourth Proportional to 7,472.88, 10,313.46 and 4,329.18

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Solution

The fourth proportional to 7,472.88, 10,313.46 and 4,329.18 is: 5,974.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.88 : 10,313.46 = 4,329.18 : x
  2. Step 2: Convert to fraction form
    7,472.88/10,313.46 = 4,329.18/x
  3. Step 3: Cross multiply
    7,472.88x = 10,313.46 × 4,329.18
  4. Step 4: Simplify right side
    7,472.88x = 44,648,824.76
  5. Step 5: Solve for x
    x = 44,648,824.76/7,472.88
  6. Step 6: Final answer
    x = 5,974.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.