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Finding the Fourth Proportional to 5,743, 8,613.48 and 1,582

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Solution

The fourth proportional to 5,743, 8,613.48 and 1,582 is: 2,372.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,743 : 8,613.48 = 1,582 : x
  2. Step 2: Convert to fraction form
    5,743/8,613.48 = 1,582/x
  3. Step 3: Cross multiply
    5,743x = 8,613.48 × 1,582
  4. Step 4: Simplify right side
    5,743x = 13,626,525.36
  5. Step 5: Solve for x
    x = 13,626,525.36/5,743
  6. Step 6: Final answer
    x = 2,372.72

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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.