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Finding the Fourth Proportional to 40,163.52, 60,167.52 and 19,401.60

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Solution

The fourth proportional to 40,163.52, 60,167.52 and 19,401.60 is: 29,064.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,163.52 : 60,167.52 = 19,401.60 : x
  2. Step 2: Convert to fraction form
    40,163.52/60,167.52 = 19,401.60/x
  3. Step 3: Cross multiply
    40,163.52x = 60,167.52 × 19,401.60
  4. Step 4: Simplify right side
    40,163.52x = 1,167,346,156.03
  5. Step 5: Solve for x
    x = 1,167,346,156.03/40,163.52
  6. Step 6: Final answer
    x = 29,064.84

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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.