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Finding the Fourth Proportional to 40,608.10, 60,912.15 and 39,052.90

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Solution

The fourth proportional to 40,608.10, 60,912.15 and 39,052.90 is: 58,579.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,608.10 : 60,912.15 = 39,052.90 : x
  2. Step 2: Convert to fraction form
    40,608.10/60,912.15 = 39,052.90/x
  3. Step 3: Cross multiply
    40,608.10x = 60,912.15 × 39,052.90
  4. Step 4: Simplify right side
    40,608.10x = 2,378,796,102.74
  5. Step 5: Solve for x
    x = 2,378,796,102.74/40,608.10
  6. Step 6: Final answer
    x = 58,579.35

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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.