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Finding the Fourth Proportional to 4,767.39, 7,150.62 and 2,917.55

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Solution

The fourth proportional to 4,767.39, 7,150.62 and 2,917.55 is: 4,376.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,767.39 : 7,150.62 = 2,917.55 : x
  2. Step 2: Convert to fraction form
    4,767.39/7,150.62 = 2,917.55/x
  3. Step 3: Cross multiply
    4,767.39x = 7,150.62 × 2,917.55
  4. Step 4: Simplify right side
    4,767.39x = 20,862,280.80
  5. Step 5: Solve for x
    x = 20,862,280.80/4,767.39
  6. Step 6: Final answer
    x = 4,376.04

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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.