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Finding the Fourth Proportional to 57,989.25, 80,025.21 and 32,838.75

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Solution

The fourth proportional to 57,989.25, 80,025.21 and 32,838.75 is: 45,317.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,989.25 : 80,025.21 = 32,838.75 : x
  2. Step 2: Convert to fraction form
    57,989.25/80,025.21 = 32,838.75/x
  3. Step 3: Cross multiply
    57,989.25x = 80,025.21 × 32,838.75
  4. Step 4: Simplify right side
    57,989.25x = 2,627,927,864.89
  5. Step 5: Solve for x
    x = 2,627,927,864.89/57,989.25
  6. Step 6: Final answer
    x = 45,317.50

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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.