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Finding the Fourth Proportional to 8,248.43, 12,367.65 and 3,244.81

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Solution

The fourth proportional to 8,248.43, 12,367.65 and 3,244.81 is: 4,865.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,248.43 : 12,367.65 = 3,244.81 : x
  2. Step 2: Convert to fraction form
    8,248.43/12,367.65 = 3,244.81/x
  3. Step 3: Cross multiply
    8,248.43x = 12,367.65 × 3,244.81
  4. Step 4: Simplify right side
    8,248.43x = 40,130,674.40
  5. Step 5: Solve for x
    x = 40,130,674.40/8,248.43
  6. Step 6: Final answer
    x = 4,865.25

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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.