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Finding the Fourth Proportional to 26,696.86, 40,043.86 and 13,548.89

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Solution

The fourth proportional to 26,696.86, 40,043.86 and 13,548.89 is: 20,322.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,696.86 : 40,043.86 = 13,548.89 : x
  2. Step 2: Convert to fraction form
    26,696.86/40,043.86 = 13,548.89/x
  3. Step 3: Cross multiply
    26,696.86x = 40,043.86 × 13,548.89
  4. Step 4: Simplify right side
    26,696.86x = 542,549,920.55
  5. Step 5: Solve for x
    x = 542,549,920.55/26,696.86
  6. Step 6: Final answer
    x = 20,322.61

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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.