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Finding the Fourth Proportional to 4,472.36, 6,708.18 and 1,839.12

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Solution

The fourth proportional to 4,472.36, 6,708.18 and 1,839.12 is: 2,758.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,472.36 : 6,708.18 = 1,839.12 : x
  2. Step 2: Convert to fraction form
    4,472.36/6,708.18 = 1,839.12/x
  3. Step 3: Cross multiply
    4,472.36x = 6,708.18 × 1,839.12
  4. Step 4: Simplify right side
    4,472.36x = 12,337,148.00
  5. Step 5: Solve for x
    x = 12,337,148.00/4,472.36
  6. Step 6: Final answer
    x = 2,758.53

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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.