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Finding the Fourth Proportional to 57,991.68, 80,025.84 and 32,841.36

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Solution

The fourth proportional to 57,991.68, 80,025.84 and 32,841.36 is: 45,319.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,991.68 : 80,025.84 = 32,841.36 : x
  2. Step 2: Convert to fraction form
    57,991.68/80,025.84 = 32,841.36/x
  3. Step 3: Cross multiply
    57,991.68x = 80,025.84 × 32,841.36
  4. Step 4: Simplify right side
    57,991.68x = 2,628,157,420.74
  5. Step 5: Solve for x
    x = 2,628,157,420.74/57,991.68
  6. Step 6: Final answer
    x = 45,319.56

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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.