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Finding the Fourth Proportional to 26,706.52, 40,038.18 and 11,135.80

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Solution

The fourth proportional to 26,706.52, 40,038.18 and 11,135.80 is: 16,694.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,706.52 : 40,038.18 = 11,135.80 : x
  2. Step 2: Convert to fraction form
    26,706.52/40,038.18 = 11,135.80/x
  3. Step 3: Cross multiply
    26,706.52x = 40,038.18 × 11,135.80
  4. Step 4: Simplify right side
    26,706.52x = 445,857,164.84
  5. Step 5: Solve for x
    x = 445,857,164.84/26,706.52
  6. Step 6: Final answer
    x = 16,694.69

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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.