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Finding the Fourth Proportional to 8,001.68, 12,003.88 and 3,560.95

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Solution

The fourth proportional to 8,001.68, 12,003.88 and 3,560.95 is: 5,342.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,001.68 : 12,003.88 = 3,560.95 : x
  2. Step 2: Convert to fraction form
    8,001.68/12,003.88 = 3,560.95/x
  3. Step 3: Cross multiply
    8,001.68x = 12,003.88 × 3,560.95
  4. Step 4: Simplify right side
    8,001.68x = 42,745,216.49
  5. Step 5: Solve for x
    x = 42,745,216.49/8,001.68
  6. Step 6: Final answer
    x = 5,342.03

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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.