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Finding the Fourth Proportional to 40,173.20, 60,202.20 and 29,560.40

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Solution

The fourth proportional to 40,173.20, 60,202.20 and 29,560.40 is: 44,298.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,173.20 : 60,202.20 = 29,560.40 : x
  2. Step 2: Convert to fraction form
    40,173.20/60,202.20 = 29,560.40/x
  3. Step 3: Cross multiply
    40,173.20x = 60,202.20 × 29,560.40
  4. Step 4: Simplify right side
    40,173.20x = 1,779,601,112.88
  5. Step 5: Solve for x
    x = 1,779,601,112.88/40,173.20
  6. Step 6: Final answer
    x = 44,298.22

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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.