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Finding the Fourth Proportional to 41,798.28, 57,690.02 and 28,373.90

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Solution

The fourth proportional to 41,798.28, 57,690.02 and 28,373.90 is: 39,161.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,798.28 : 57,690.02 = 28,373.90 : x
  2. Step 2: Convert to fraction form
    41,798.28/57,690.02 = 28,373.90/x
  3. Step 3: Cross multiply
    41,798.28x = 57,690.02 × 28,373.90
  4. Step 4: Simplify right side
    41,798.28x = 1,636,890,640.96
  5. Step 5: Solve for x
    x = 1,636,890,640.96/41,798.28
  6. Step 6: Final answer
    x = 39,161.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.