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Finding the Fourth Proportional to 3,232.88, 4,466.88 and 3,149.92

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Solution

The fourth proportional to 3,232.88, 4,466.88 and 3,149.92 is: 4,352.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,232.88 : 4,466.88 = 3,149.92 : x
  2. Step 2: Convert to fraction form
    3,232.88/4,466.88 = 3,149.92/x
  3. Step 3: Cross multiply
    3,232.88x = 4,466.88 × 3,149.92
  4. Step 4: Simplify right side
    3,232.88x = 14,070,314.65
  5. Step 5: Solve for x
    x = 14,070,314.65/3,232.88
  6. Step 6: Final answer
    x = 4,352.25

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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.