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Finding the Fourth Proportional to 8,869.44, 13,306.44 and 3,322.86

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Solution

The fourth proportional to 8,869.44, 13,306.44 and 3,322.86 is: 4,985.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869.44 : 13,306.44 = 3,322.86 : x
  2. Step 2: Convert to fraction form
    8,869.44/13,306.44 = 3,322.86/x
  3. Step 3: Cross multiply
    8,869.44x = 13,306.44 × 3,322.86
  4. Step 4: Simplify right side
    8,869.44x = 44,215,437.22
  5. Step 5: Solve for x
    x = 44,215,437.22/8,869.44
  6. Step 6: Final answer
    x = 4,985.14

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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.