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Finding the Fourth Proportional to 8,696.61, 11,992.50 and 7,441.83

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Solution

The fourth proportional to 8,696.61, 11,992.50 and 7,441.83 is: 10,262.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,696.61 : 11,992.50 = 7,441.83 : x
  2. Step 2: Convert to fraction form
    8,696.61/11,992.50 = 7,441.83/x
  3. Step 3: Cross multiply
    8,696.61x = 11,992.50 × 7,441.83
  4. Step 4: Simplify right side
    8,696.61x = 89,246,146.28
  5. Step 5: Solve for x
    x = 89,246,146.28/8,696.61
  6. Step 6: Final answer
    x = 10,262.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.