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Finding the Fourth Proportional to 63,642.50, 87,826.68 and 35,348.42

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Solution

The fourth proportional to 63,642.50, 87,826.68 and 35,348.42 is: 48,780.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,642.50 : 87,826.68 = 35,348.42 : x
  2. Step 2: Convert to fraction form
    63,642.50/87,826.68 = 35,348.42/x
  3. Step 3: Cross multiply
    63,642.50x = 87,826.68 × 35,348.42
  4. Step 4: Simplify right side
    63,642.50x = 3,104,534,371.85
  5. Step 5: Solve for x
    x = 3,104,534,371.85/63,642.50
  6. Step 6: Final answer
    x = 48,780.84

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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.