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Finding the Fourth Proportional to 73,952.42, 110,884.19 and 28,920.12

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Solution

The fourth proportional to 73,952.42, 110,884.19 and 28,920.12 is: 43,362.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,952.42 : 110,884.19 = 28,920.12 : x
  2. Step 2: Convert to fraction form
    73,952.42/110,884.19 = 28,920.12/x
  3. Step 3: Cross multiply
    73,952.42x = 110,884.19 × 28,920.12
  4. Step 4: Simplify right side
    73,952.42x = 3,206,783,936.30
  5. Step 5: Solve for x
    x = 3,206,783,936.30/73,952.42
  6. Step 6: Final answer
    x = 43,362.80

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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.