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Finding the Fourth Proportional to 68,002.40, 101,974.80 and 32,952.80

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Solution

The fourth proportional to 68,002.40, 101,974.80 and 32,952.80 is: 49,415.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,002.40 : 101,974.80 = 32,952.80 : x
  2. Step 2: Convert to fraction form
    68,002.40/101,974.80 = 32,952.80/x
  3. Step 3: Cross multiply
    68,002.40x = 101,974.80 × 32,952.80
  4. Step 4: Simplify right side
    68,002.40x = 3,360,355,189.44
  5. Step 5: Solve for x
    x = 3,360,355,189.44/68,002.40
  6. Step 6: Final answer
    x = 49,415.24

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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.