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Finding the Fourth Proportional to 8,002.71, 12,007.22 and 4,051.80

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Solution

The fourth proportional to 8,002.71, 12,007.22 and 4,051.80 is: 6,079.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,002.71 : 12,007.22 = 4,051.80 : x
  2. Step 2: Convert to fraction form
    8,002.71/12,007.22 = 4,051.80/x
  3. Step 3: Cross multiply
    8,002.71x = 12,007.22 × 4,051.80
  4. Step 4: Simplify right side
    8,002.71x = 48,650,833.74
  5. Step 5: Solve for x
    x = 48,650,833.74/8,002.71
  6. Step 6: Final answer
    x = 6,079.29

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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.