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Finding the Fourth Proportional to 8,367.68, 12,551.52 and 3,744.32

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Solution

The fourth proportional to 8,367.68, 12,551.52 and 3,744.32 is: 5,616.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,367.68 : 12,551.52 = 3,744.32 : x
  2. Step 2: Convert to fraction form
    8,367.68/12,551.52 = 3,744.32/x
  3. Step 3: Cross multiply
    8,367.68x = 12,551.52 × 3,744.32
  4. Step 4: Simplify right side
    8,367.68x = 46,996,907.37
  5. Step 5: Solve for x
    x = 46,996,907.37/8,367.68
  6. Step 6: Final answer
    x = 5,616.48

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Similar ratio
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1.5x scale

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.