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Finding the Fourth Proportional to 4,773.11, 7,159.65 and 2,586.11

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Solution

The fourth proportional to 4,773.11, 7,159.65 and 2,586.11 is: 3,879.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,773.11 : 7,159.65 = 2,586.11 : x
  2. Step 2: Convert to fraction form
    4,773.11/7,159.65 = 2,586.11/x
  3. Step 3: Cross multiply
    4,773.11x = 7,159.65 × 2,586.11
  4. Step 4: Simplify right side
    4,773.11x = 18,515,613.13
  5. Step 5: Solve for x
    x = 18,515,613.13/4,773.11
  6. Step 6: Final answer
    x = 3,879.15

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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.