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Finding the Fourth Proportional to 8,744.73, 13,123.02 and 3,811.52

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Solution

The fourth proportional to 8,744.73, 13,123.02 and 3,811.52 is: 5,719.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,744.73 : 13,123.02 = 3,811.52 : x
  2. Step 2: Convert to fraction form
    8,744.73/13,123.02 = 3,811.52/x
  3. Step 3: Cross multiply
    8,744.73x = 13,123.02 × 3,811.52
  4. Step 4: Simplify right side
    8,744.73x = 50,018,587.58
  5. Step 5: Solve for x
    x = 50,018,587.58/8,744.73
  6. Step 6: Final answer
    x = 5,719.85

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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.