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Finding the Fourth Proportional to 60,797.20, 91,253.40 and 37,469.20

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Solution

The fourth proportional to 60,797.20, 91,253.40 and 37,469.20 is: 56,239.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,797.20 : 91,253.40 = 37,469.20 : x
  2. Step 2: Convert to fraction form
    60,797.20/91,253.40 = 37,469.20/x
  3. Step 3: Cross multiply
    60,797.20x = 91,253.40 × 37,469.20
  4. Step 4: Simplify right side
    60,797.20x = 3,419,191,895.28
  5. Step 5: Solve for x
    x = 3,419,191,895.28/60,797.20
  6. Step 6: Final answer
    x = 56,239.30

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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.