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Finding the Fourth Proportional to 57,250.80, 85,876.20 and 53,362.80

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Solution

The fourth proportional to 57,250.80, 85,876.20 and 53,362.80 is: 80,044.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,250.80 : 85,876.20 = 53,362.80 : x
  2. Step 2: Convert to fraction form
    57,250.80/85,876.20 = 53,362.80/x
  3. Step 3: Cross multiply
    57,250.80x = 85,876.20 × 53,362.80
  4. Step 4: Simplify right side
    57,250.80x = 4,582,594,485.36
  5. Step 5: Solve for x
    x = 4,582,594,485.36/57,250.80
  6. Step 6: Final answer
    x = 80,044.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.