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Finding the Fourth Proportional to 32,968.90, 49,447.92 and 10,781.92

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Solution

The fourth proportional to 32,968.90, 49,447.92 and 10,781.92 is: 16,171.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,968.90 : 49,447.92 = 10,781.92 : x
  2. Step 2: Convert to fraction form
    32,968.90/49,447.92 = 10,781.92/x
  3. Step 3: Cross multiply
    32,968.90x = 49,447.92 × 10,781.92
  4. Step 4: Simplify right side
    32,968.90x = 533,143,517.61
  5. Step 5: Solve for x
    x = 533,143,517.61/32,968.90
  6. Step 6: Final answer
    x = 16,171.10

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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.