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Finding the Fourth Proportional to 8,368.24, 12,544.91 and 3,177.76

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Solution

The fourth proportional to 8,368.24, 12,544.91 and 3,177.76 is: 4,763.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,368.24 : 12,544.91 = 3,177.76 : x
  2. Step 2: Convert to fraction form
    8,368.24/12,544.91 = 3,177.76/x
  3. Step 3: Cross multiply
    8,368.24x = 12,544.91 × 3,177.76
  4. Step 4: Simplify right side
    8,368.24x = 39,864,713.20
  5. Step 5: Solve for x
    x = 39,864,713.20/8,368.24
  6. Step 6: Final answer
    x = 4,763.81

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.