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Finding the Fourth Proportional to 40,496.40, 60,809.40 and 27,406.80

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Solution

The fourth proportional to 40,496.40, 60,809.40 and 27,406.80 is: 41,154.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,496.40 : 60,809.40 = 27,406.80 : x
  2. Step 2: Convert to fraction form
    40,496.40/60,809.40 = 27,406.80/x
  3. Step 3: Cross multiply
    40,496.40x = 60,809.40 × 27,406.80
  4. Step 4: Simplify right side
    40,496.40x = 1,666,591,063.92
  5. Step 5: Solve for x
    x = 1,666,591,063.92/40,496.40
  6. Step 6: Final answer
    x = 41,154.05

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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.