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Finding the Fourth Proportional to 4,962.92, 7,439.12 and 2,328.20

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Solution

The fourth proportional to 4,962.92, 7,439.12 and 2,328.20 is: 3,489.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,962.92 : 7,439.12 = 2,328.20 : x
  2. Step 2: Convert to fraction form
    4,962.92/7,439.12 = 2,328.20/x
  3. Step 3: Cross multiply
    4,962.92x = 7,439.12 × 2,328.20
  4. Step 4: Simplify right side
    4,962.92x = 17,319,759.18
  5. Step 5: Solve for x
    x = 17,319,759.18/4,962.92
  6. Step 6: Final answer
    x = 3,489.83

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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.