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Finding the Fourth Proportional to 7,331.56, 10,117.52 and 3,974.46

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Solution

The fourth proportional to 7,331.56, 10,117.52 and 3,974.46 is: 5,484.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.56 : 10,117.52 = 3,974.46 : x
  2. Step 2: Convert to fraction form
    7,331.56/10,117.52 = 3,974.46/x
  3. Step 3: Cross multiply
    7,331.56x = 10,117.52 × 3,974.46
  4. Step 4: Simplify right side
    7,331.56x = 40,211,678.54
  5. Step 5: Solve for x
    x = 40,211,678.54/7,331.56
  6. Step 6: Final answer
    x = 5,484.74

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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.