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Finding the Fourth Proportional to 57,232.30, 78,980.80 and 32,081.80

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Solution

The fourth proportional to 57,232.30, 78,980.80 and 32,081.80 is: 44,273.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,232.30 : 78,980.80 = 32,081.80 : x
  2. Step 2: Convert to fraction form
    57,232.30/78,980.80 = 32,081.80/x
  3. Step 3: Cross multiply
    57,232.30x = 78,980.80 × 32,081.80
  4. Step 4: Simplify right side
    57,232.30x = 2,533,846,229.44
  5. Step 5: Solve for x
    x = 2,533,846,229.44/57,232.30
  6. Step 6: Final answer
    x = 44,273.01

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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.