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Finding the Fourth Proportional to 57,371.25, 79,179.75 and 32,220.75

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Solution

The fourth proportional to 57,371.25, 79,179.75 and 32,220.75 is: 44,468.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,371.25 : 79,179.75 = 32,220.75 : x
  2. Step 2: Convert to fraction form
    57,371.25/79,179.75 = 32,220.75/x
  3. Step 3: Cross multiply
    57,371.25x = 79,179.75 × 32,220.75
  4. Step 4: Simplify right side
    57,371.25x = 2,551,230,929.81
  5. Step 5: Solve for x
    x = 2,551,230,929.81/57,371.25
  6. Step 6: Final answer
    x = 44,468.81

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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.