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Finding the Fourth Proportional to 44,204, 66,319.84 and 28,426.85

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Solution

The fourth proportional to 44,204, 66,319.84 and 28,426.85 is: 42,649.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,204 : 66,319.84 = 28,426.85 : x
  2. Step 2: Convert to fraction form
    44,204/66,319.84 = 28,426.85/x
  3. Step 3: Cross multiply
    44,204x = 66,319.84 × 28,426.85
  4. Step 4: Simplify right side
    44,204x = 1,885,263,669.97
  5. Step 5: Solve for x
    x = 1,885,263,669.97/44,204
  6. Step 6: Final answer
    x = 42,649.16

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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.