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Finding the Fourth Proportional to 57,990.87, 80,009.10 and 32,493.69

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Solution

The fourth proportional to 57,990.87, 80,009.10 and 32,493.69 is: 44,831.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,990.87 : 80,009.10 = 32,493.69 : x
  2. Step 2: Convert to fraction form
    57,990.87/80,009.10 = 32,493.69/x
  3. Step 3: Cross multiply
    57,990.87x = 80,009.10 × 32,493.69
  4. Step 4: Simplify right side
    57,990.87x = 2,599,790,892.58
  5. Step 5: Solve for x
    x = 2,599,790,892.58/57,990.87
  6. Step 6: Final answer
    x = 44,831.04

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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.