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Finding the Fourth Proportional to 44,543.86, 66,751.85 and 26,781.78

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Solution

The fourth proportional to 44,543.86, 66,751.85 and 26,781.78 is: 40,134.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,543.86 : 66,751.85 = 26,781.78 : x
  2. Step 2: Convert to fraction form
    44,543.86/66,751.85 = 26,781.78/x
  3. Step 3: Cross multiply
    44,543.86x = 66,751.85 × 26,781.78
  4. Step 4: Simplify right side
    44,543.86x = 1,787,733,303.09
  5. Step 5: Solve for x
    x = 1,787,733,303.09/44,543.86
  6. Step 6: Final answer
    x = 40,134.22

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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.