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Finding the Fourth Proportional to 57,980.75, 80,013.74 and 32,487.17

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Solution

The fourth proportional to 57,980.75, 80,013.74 and 32,487.17 is: 44,832.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,980.75 : 80,013.74 = 32,487.17 : x
  2. Step 2: Convert to fraction form
    57,980.75/80,013.74 = 32,487.17/x
  3. Step 3: Cross multiply
    57,980.75x = 80,013.74 × 32,487.17
  4. Step 4: Simplify right side
    57,980.75x = 2,599,419,411.21
  5. Step 5: Solve for x
    x = 2,599,419,411.21/57,980.75
  6. Step 6: Final answer
    x = 44,832.46

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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.