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Finding the Fourth Proportional to 63,673.40, 87,865.44 and 35,378.12

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Solution

The fourth proportional to 63,673.40, 87,865.44 and 35,378.12 is: 48,819.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,673.40 : 87,865.44 = 35,378.12 : x
  2. Step 2: Convert to fraction form
    63,673.40/87,865.44 = 35,378.12/x
  3. Step 3: Cross multiply
    63,673.40x = 87,865.44 × 35,378.12
  4. Step 4: Simplify right side
    63,673.40x = 3,108,514,167.17
  5. Step 5: Solve for x
    x = 3,108,514,167.17/63,673.40
  6. Step 6: Final answer
    x = 48,819.66

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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.