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Finding the Fourth Proportional to 8,867.36, 13,303.20 and 2,711.36

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Solution

The fourth proportional to 8,867.36, 13,303.20 and 2,711.36 is: 4,067.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.36 : 13,303.20 = 2,711.36 : x
  2. Step 2: Convert to fraction form
    8,867.36/13,303.20 = 2,711.36/x
  3. Step 3: Cross multiply
    8,867.36x = 13,303.20 × 2,711.36
  4. Step 4: Simplify right side
    8,867.36x = 36,069,764.35
  5. Step 5: Solve for x
    x = 36,069,764.35/8,867.36
  6. Step 6: Final answer
    x = 4,067.70

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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.