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Finding the Fourth Proportional to 5,454.32, 7,520.32 and 4,613.52

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Solution

The fourth proportional to 5,454.32, 7,520.32 and 4,613.52 is: 6,361.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.32 : 7,520.32 = 4,613.52 : x
  2. Step 2: Convert to fraction form
    5,454.32/7,520.32 = 4,613.52/x
  3. Step 3: Cross multiply
    5,454.32x = 7,520.32 × 4,613.52
  4. Step 4: Simplify right side
    5,454.32x = 34,695,146.73
  5. Step 5: Solve for x
    x = 34,695,146.73/5,454.32
  6. Step 6: Final answer
    x = 6,361.04

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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.