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Finding the Fourth Proportional to 63,968.68, 88,276.80 and 35,673.76

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Solution

The fourth proportional to 63,968.68, 88,276.80 and 35,673.76 is: 49,229.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,968.68 : 88,276.80 = 35,673.76 : x
  2. Step 2: Convert to fraction form
    63,968.68/88,276.80 = 35,673.76/x
  3. Step 3: Cross multiply
    63,968.68x = 88,276.80 × 35,673.76
  4. Step 4: Simplify right side
    63,968.68x = 3,149,165,376.77
  5. Step 5: Solve for x
    x = 3,149,165,376.77/63,968.68
  6. Step 6: Final answer
    x = 49,229.80

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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.