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Finding the Fourth Proportional to 6,044.80, 8,338.80 and 5,382.40

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Solution

The fourth proportional to 6,044.80, 8,338.80 and 5,382.40 is: 7,425.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,044.80 : 8,338.80 = 5,382.40 : x
  2. Step 2: Convert to fraction form
    6,044.80/8,338.80 = 5,382.40/x
  3. Step 3: Cross multiply
    6,044.80x = 8,338.80 × 5,382.40
  4. Step 4: Simplify right side
    6,044.80x = 44,882,757.12
  5. Step 5: Solve for x
    x = 44,882,757.12/6,044.80
  6. Step 6: Final answer
    x = 7,425.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.