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Finding the Fourth Proportional to 40,315.08, 60,472.62 and 33,375

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Solution

The fourth proportional to 40,315.08, 60,472.62 and 33,375 is: 50,062.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,315.08 : 60,472.62 = 33,375 : x
  2. Step 2: Convert to fraction form
    40,315.08/60,472.62 = 33,375/x
  3. Step 3: Cross multiply
    40,315.08x = 60,472.62 × 33,375
  4. Step 4: Simplify right side
    40,315.08x = 2,018,273,692.50
  5. Step 5: Solve for x
    x = 2,018,273,692.50/40,315.08
  6. Step 6: Final answer
    x = 50,062.50

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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.