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Finding the Fourth Proportional to 60,961.50, 91,359.23 and 34,320.20

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Solution

The fourth proportional to 60,961.50, 91,359.23 and 34,320.20 is: 51,433.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,961.50 : 91,359.23 = 34,320.20 : x
  2. Step 2: Convert to fraction form
    60,961.50/91,359.23 = 34,320.20/x
  3. Step 3: Cross multiply
    60,961.50x = 91,359.23 × 34,320.20
  4. Step 4: Simplify right side
    60,961.50x = 3,135,466,417.05
  5. Step 5: Solve for x
    x = 3,135,466,417.05/60,961.50
  6. Step 6: Final answer
    x = 51,433.55

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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.