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Finding the Fourth Proportional to 3,167.68, 4,752.24 and 1,220.44

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Solution

The fourth proportional to 3,167.68, 4,752.24 and 1,220.44 is: 1,830.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.68 : 4,752.24 = 1,220.44 : x
  2. Step 2: Convert to fraction form
    3,167.68/4,752.24 = 1,220.44/x
  3. Step 3: Cross multiply
    3,167.68x = 4,752.24 × 1,220.44
  4. Step 4: Simplify right side
    3,167.68x = 5,799,823.79
  5. Step 5: Solve for x
    x = 5,799,823.79/3,167.68
  6. Step 6: Final answer
    x = 1,830.94

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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.