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Finding the Fourth Proportional to 11,179.65, 16,769.10 and 4,600.87

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Solution

The fourth proportional to 11,179.65, 16,769.10 and 4,600.87 is: 6,901.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179.65 : 16,769.10 = 4,600.87 : x
  2. Step 2: Convert to fraction form
    11,179.65/16,769.10 = 4,600.87/x
  3. Step 3: Cross multiply
    11,179.65x = 16,769.10 × 4,600.87
  4. Step 4: Simplify right side
    11,179.65x = 77,152,449.12
  5. Step 5: Solve for x
    x = 77,152,449.12/11,179.65
  6. Step 6: Final answer
    x = 6,901.15

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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.