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Finding the Fourth Proportional to 57,991.26, 80,026.58 and 34,119.48

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Solution

The fourth proportional to 57,991.26, 80,026.58 and 34,119.48 is: 47,084.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,991.26 : 80,026.58 = 34,119.48 : x
  2. Step 2: Convert to fraction form
    57,991.26/80,026.58 = 34,119.48/x
  3. Step 3: Cross multiply
    57,991.26x = 80,026.58 × 34,119.48
  4. Step 4: Simplify right side
    57,991.26x = 2,730,465,295.78
  5. Step 5: Solve for x
    x = 2,730,465,295.78/57,991.26
  6. Step 6: Final answer
    x = 47,084.08

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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.