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Finding the Fourth Proportional to 8,006.08, 12,069.17 and 7,470.87

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Solution

The fourth proportional to 8,006.08, 12,069.17 and 7,470.87 is: 11,262.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,006.08 : 12,069.17 = 7,470.87 : x
  2. Step 2: Convert to fraction form
    8,006.08/12,069.17 = 7,470.87/x
  3. Step 3: Cross multiply
    8,006.08x = 12,069.17 × 7,470.87
  4. Step 4: Simplify right side
    8,006.08x = 90,167,162.72
  5. Step 5: Solve for x
    x = 90,167,162.72/8,006.08
  6. Step 6: Final answer
    x = 11,262.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.