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Finding the Fourth Proportional to 7,494.82, 10,345.93 and 5,112.65

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Solution

The fourth proportional to 7,494.82, 10,345.93 and 5,112.65 is: 7,057.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,494.82 : 10,345.93 = 5,112.65 : x
  2. Step 2: Convert to fraction form
    7,494.82/10,345.93 = 5,112.65/x
  3. Step 3: Cross multiply
    7,494.82x = 10,345.93 × 5,112.65
  4. Step 4: Simplify right side
    7,494.82x = 52,895,132.10
  5. Step 5: Solve for x
    x = 52,895,132.10/7,494.82
  6. Step 6: Final answer
    x = 7,057.56

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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.