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Finding the Fourth Proportional to 8,007.83, 12,071.80 and 7,472.62

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Solution

The fourth proportional to 8,007.83, 12,071.80 and 7,472.62 is: 11,264.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,007.83 : 12,071.80 = 7,472.62 : x
  2. Step 2: Convert to fraction form
    8,007.83/12,071.80 = 7,472.62/x
  3. Step 3: Cross multiply
    8,007.83x = 12,071.80 × 7,472.62
  4. Step 4: Simplify right side
    8,007.83x = 90,207,974.12
  5. Step 5: Solve for x
    x = 90,207,974.12/8,007.83
  6. Step 6: Final answer
    x = 11,264.97

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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.