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Finding the Fourth Proportional to 1,743.83, 2,613.62 and 963.80

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Solution

The fourth proportional to 1,743.83, 2,613.62 and 963.80 is: 1,444.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743.83 : 2,613.62 = 963.80 : x
  2. Step 2: Convert to fraction form
    1,743.83/2,613.62 = 963.80/x
  3. Step 3: Cross multiply
    1,743.83x = 2,613.62 × 963.80
  4. Step 4: Simplify right side
    1,743.83x = 2,519,000.68
  5. Step 5: Solve for x
    x = 2,519,000.68/1,743.83
  6. Step 6: Final answer
    x = 1,444.52

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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.