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Finding the Fourth Proportional to 26,706.72, 40,041.63 and 11,706.65

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Solution

The fourth proportional to 26,706.72, 40,041.63 and 11,706.65 is: 17,551.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,706.72 : 40,041.63 = 11,706.65 : x
  2. Step 2: Convert to fraction form
    26,706.72/40,041.63 = 11,706.65/x
  3. Step 3: Cross multiply
    26,706.72x = 40,041.63 × 11,706.65
  4. Step 4: Simplify right side
    26,706.72x = 468,753,147.63
  5. Step 5: Solve for x
    x = 468,753,147.63/26,706.72
  6. Step 6: Final answer
    x = 17,551.88

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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.