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Finding the Fourth Proportional to 8,601.96, 11,866.17 and 5,063.88

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Solution

The fourth proportional to 8,601.96, 11,866.17 and 5,063.88 is: 6,985.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,601.96 : 11,866.17 = 5,063.88 : x
  2. Step 2: Convert to fraction form
    8,601.96/11,866.17 = 5,063.88/x
  3. Step 3: Cross multiply
    8,601.96x = 11,866.17 × 5,063.88
  4. Step 4: Simplify right side
    8,601.96x = 60,088,860.94
  5. Step 5: Solve for x
    x = 60,088,860.94/8,601.96
  6. Step 6: Final answer
    x = 6,985.48

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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.