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Finding the Fourth Proportional to 63,671.50, 87,866.69 and 35,377.19

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Solution

The fourth proportional to 63,671.50, 87,866.69 and 35,377.19 is: 48,820.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,671.50 : 87,866.69 = 35,377.19 : x
  2. Step 2: Convert to fraction form
    63,671.50/87,866.69 = 35,377.19/x
  3. Step 3: Cross multiply
    63,671.50x = 87,866.69 × 35,377.19
  4. Step 4: Simplify right side
    63,671.50x = 3,108,475,970.58
  5. Step 5: Solve for x
    x = 3,108,475,970.58/63,671.50
  6. Step 6: Final answer
    x = 48,820.53

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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.