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Finding the Fourth Proportional to 5,613.78, 8,410.12 and 4,695.24

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Solution

The fourth proportional to 5,613.78, 8,410.12 and 4,695.24 is: 7,034.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613.78 : 8,410.12 = 4,695.24 : x
  2. Step 2: Convert to fraction form
    5,613.78/8,410.12 = 4,695.24/x
  3. Step 3: Cross multiply
    5,613.78x = 8,410.12 × 4,695.24
  4. Step 4: Simplify right side
    5,613.78x = 39,487,531.83
  5. Step 5: Solve for x
    x = 39,487,531.83/5,613.78
  6. Step 6: Final answer
    x = 7,034.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.