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Finding the Fourth Proportional to 7,514.91, 10,370.18 and 4,157.66

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Solution

The fourth proportional to 7,514.91, 10,370.18 and 4,157.66 is: 5,737.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,514.91 : 10,370.18 = 4,157.66 : x
  2. Step 2: Convert to fraction form
    7,514.91/10,370.18 = 4,157.66/x
  3. Step 3: Cross multiply
    7,514.91x = 10,370.18 × 4,157.66
  4. Step 4: Simplify right side
    7,514.91x = 43,115,718.90
  5. Step 5: Solve for x
    x = 43,115,718.90/7,514.91
  6. Step 6: Final answer
    x = 5,737.36

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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.