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Finding the Fourth Proportional to 40,163.84, 60,205.92 and 19,066.80

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Solution

The fourth proportional to 40,163.84, 60,205.92 and 19,066.80 is: 28,581.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,163.84 : 60,205.92 = 19,066.80 : x
  2. Step 2: Convert to fraction form
    40,163.84/60,205.92 = 19,066.80/x
  3. Step 3: Cross multiply
    40,163.84x = 60,205.92 × 19,066.80
  4. Step 4: Simplify right side
    40,163.84x = 1,147,934,235.46
  5. Step 5: Solve for x
    x = 1,147,934,235.46/40,163.84
  6. Step 6: Final answer
    x = 28,581.29

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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.