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Finding the Fourth Proportional to 8,000.72, 12,001.16 and 2,454.10

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Solution

The fourth proportional to 8,000.72, 12,001.16 and 2,454.10 is: 3,681.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,000.72 : 12,001.16 = 2,454.10 : x
  2. Step 2: Convert to fraction form
    8,000.72/12,001.16 = 2,454.10/x
  3. Step 3: Cross multiply
    8,000.72x = 12,001.16 × 2,454.10
  4. Step 4: Simplify right side
    8,000.72x = 29,452,004.48
  5. Step 5: Solve for x
    x = 29,452,004.48/8,000.72
  6. Step 6: Final answer
    x = 3,681.17

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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.