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Finding the Fourth Proportional to 7,471.56, 10,311 and 4,114.52

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Solution

The fourth proportional to 7,471.56, 10,311 and 4,114.52 is: 5,678.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,471.56 : 10,311 = 4,114.52 : x
  2. Step 2: Convert to fraction form
    7,471.56/10,311 = 4,114.52/x
  3. Step 3: Cross multiply
    7,471.56x = 10,311 × 4,114.52
  4. Step 4: Simplify right side
    7,471.56x = 42,424,815.72
  5. Step 5: Solve for x
    x = 42,424,815.72/7,471.56
  6. Step 6: Final answer
    x = 5,678.17

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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.