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Finding the Fourth Proportional to 40,660.70, 60,991.05 and 26,708.90

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Solution

The fourth proportional to 40,660.70, 60,991.05 and 26,708.90 is: 40,063.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,660.70 : 60,991.05 = 26,708.90 : x
  2. Step 2: Convert to fraction form
    40,660.70/60,991.05 = 26,708.90/x
  3. Step 3: Cross multiply
    40,660.70x = 60,991.05 × 26,708.90
  4. Step 4: Simplify right side
    40,660.70x = 1,629,003,855.35
  5. Step 5: Solve for x
    x = 1,629,003,855.35/40,660.70
  6. Step 6: Final answer
    x = 40,063.35

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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.