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Finding the Fourth Proportional to 3,002.08, 4,499.88 and 1,962.88

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Solution

The fourth proportional to 3,002.08, 4,499.88 and 1,962.88 is: 2,942.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,002.08 : 4,499.88 = 1,962.88 : x
  2. Step 2: Convert to fraction form
    3,002.08/4,499.88 = 1,962.88/x
  3. Step 3: Cross multiply
    3,002.08x = 4,499.88 × 1,962.88
  4. Step 4: Simplify right side
    3,002.08x = 8,832,724.45
  5. Step 5: Solve for x
    x = 8,832,724.45/3,002.08
  6. Step 6: Final answer
    x = 2,942.20

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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.