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Finding the Fourth Proportional to 8,791, 13,182.84 and 3,244.66

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Solution

The fourth proportional to 8,791, 13,182.84 and 3,244.66 is: 4,865.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791 : 13,182.84 = 3,244.66 : x
  2. Step 2: Convert to fraction form
    8,791/13,182.84 = 3,244.66/x
  3. Step 3: Cross multiply
    8,791x = 13,182.84 × 3,244.66
  4. Step 4: Simplify right side
    8,791x = 42,773,833.63
  5. Step 5: Solve for x
    x = 42,773,833.63/8,791
  6. Step 6: Final answer
    x = 4,865.64

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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.