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Finding the Fourth Proportional to 63,977.16, 88,290.32 and 35,684.68

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Solution

The fourth proportional to 63,977.16, 88,290.32 and 35,684.68 is: 49,245.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,977.16 : 88,290.32 = 35,684.68 : x
  2. Step 2: Convert to fraction form
    63,977.16/88,290.32 = 35,684.68/x
  3. Step 3: Cross multiply
    63,977.16x = 88,290.32 × 35,684.68
  4. Step 4: Simplify right side
    63,977.16x = 3,150,611,816.30
  5. Step 5: Solve for x
    x = 3,150,611,816.30/63,977.16
  6. Step 6: Final answer
    x = 49,245.88

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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.