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Finding the Fourth Proportional to 7,481.16, 10,323.95 and 4,123.98

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Solution

The fourth proportional to 7,481.16, 10,323.95 and 4,123.98 is: 5,691.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.16 : 10,323.95 = 4,123.98 : x
  2. Step 2: Convert to fraction form
    7,481.16/10,323.95 = 4,123.98/x
  3. Step 3: Cross multiply
    7,481.16x = 10,323.95 × 4,123.98
  4. Step 4: Simplify right side
    7,481.16x = 42,575,742.70
  5. Step 5: Solve for x
    x = 42,575,742.70/7,481.16
  6. Step 6: Final answer
    x = 5,691.06

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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.