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Finding the Fourth Proportional to 57,793.50, 86,690.25 and 16,240.50

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Solution

The fourth proportional to 57,793.50, 86,690.25 and 16,240.50 is: 24,360.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,793.50 : 86,690.25 = 16,240.50 : x
  2. Step 2: Convert to fraction form
    57,793.50/86,690.25 = 16,240.50/x
  3. Step 3: Cross multiply
    57,793.50x = 86,690.25 × 16,240.50
  4. Step 4: Simplify right side
    57,793.50x = 1,407,893,005.13
  5. Step 5: Solve for x
    x = 1,407,893,005.13/57,793.50
  6. Step 6: Final answer
    x = 24,360.75

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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.