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Finding the Fourth Proportional to 3,167.44, 4,752.44 and 1,115.60

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Solution

The fourth proportional to 3,167.44, 4,752.44 and 1,115.60 is: 1,673.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.44 : 4,752.44 = 1,115.60 : x
  2. Step 2: Convert to fraction form
    3,167.44/4,752.44 = 1,115.60/x
  3. Step 3: Cross multiply
    3,167.44x = 4,752.44 × 1,115.60
  4. Step 4: Simplify right side
    3,167.44x = 5,301,822.06
  5. Step 5: Solve for x
    x = 5,301,822.06/3,167.44
  6. Step 6: Final answer
    x = 1,673.85

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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.