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Finding the Fourth Proportional to 8,001.91, 12,008.58 and 3,560.77

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Solution

The fourth proportional to 8,001.91, 12,008.58 and 3,560.77 is: 5,343.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,001.91 : 12,008.58 = 3,560.77 : x
  2. Step 2: Convert to fraction form
    8,001.91/12,008.58 = 3,560.77/x
  3. Step 3: Cross multiply
    8,001.91x = 12,008.58 × 3,560.77
  4. Step 4: Simplify right side
    8,001.91x = 42,759,791.41
  5. Step 5: Solve for x
    x = 42,759,791.41/8,001.91
  6. Step 6: Final answer
    x = 5,343.70

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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.