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Finding the Fourth Proportional to 57,197.96, 78,906.48 and 35,988.92

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Solution

The fourth proportional to 57,197.96, 78,906.48 and 35,988.92 is: 49,647.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,197.96 : 78,906.48 = 35,988.92 : x
  2. Step 2: Convert to fraction form
    57,197.96/78,906.48 = 35,988.92/x
  3. Step 3: Cross multiply
    57,197.96x = 78,906.48 × 35,988.92
  4. Step 4: Simplify right side
    57,197.96x = 2,839,758,996.20
  5. Step 5: Solve for x
    x = 2,839,758,996.20/57,197.96
  6. Step 6: Final answer
    x = 49,647.91

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1.5x scale

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.