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Finding the Fourth Proportional to 3,193.74, 4,407.57 and 1,867.53

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Solution

The fourth proportional to 3,193.74, 4,407.57 and 1,867.53 is: 2,577.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,193.74 : 4,407.57 = 1,867.53 : x
  2. Step 2: Convert to fraction form
    3,193.74/4,407.57 = 1,867.53/x
  3. Step 3: Cross multiply
    3,193.74x = 4,407.57 × 1,867.53
  4. Step 4: Simplify right side
    3,193.74x = 8,231,269.20
  5. Step 5: Solve for x
    x = 8,231,269.20/3,193.74
  6. Step 6: Final answer
    x = 2,577.31

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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.