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Finding the Fourth Proportional to 32,042.87, 48,064.31 and 20,958.88

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Solution

The fourth proportional to 32,042.87, 48,064.31 and 20,958.88 is: 31,438.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,042.87 : 48,064.31 = 20,958.88 : x
  2. Step 2: Convert to fraction form
    32,042.87/48,064.31 = 20,958.88/x
  3. Step 3: Cross multiply
    32,042.87x = 48,064.31 × 20,958.88
  4. Step 4: Simplify right side
    32,042.87x = 1,007,374,000.78
  5. Step 5: Solve for x
    x = 1,007,374,000.78/32,042.87
  6. Step 6: Final answer
    x = 31,438.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.