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Finding the Fourth Proportional to 6,073.80, 9,117.90 and 3,443.40

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Solution

The fourth proportional to 6,073.80, 9,117.90 and 3,443.40 is: 5,169.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,073.80 : 9,117.90 = 3,443.40 : x
  2. Step 2: Convert to fraction form
    6,073.80/9,117.90 = 3,443.40/x
  3. Step 3: Cross multiply
    6,073.80x = 9,117.90 × 3,443.40
  4. Step 4: Simplify right side
    6,073.80x = 31,396,576.86
  5. Step 5: Solve for x
    x = 31,396,576.86/6,073.80
  6. Step 6: Final answer
    x = 5,169.18

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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.