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Finding the Fourth Proportional to 73,017.32, 100,757.78 and 40,749.04

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Solution

The fourth proportional to 73,017.32, 100,757.78 and 40,749.04 is: 56,230.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,017.32 : 100,757.78 = 40,749.04 : x
  2. Step 2: Convert to fraction form
    73,017.32/100,757.78 = 40,749.04/x
  3. Step 3: Cross multiply
    73,017.32x = 100,757.78 × 40,749.04
  4. Step 4: Simplify right side
    73,017.32x = 4,105,782,882.54
  5. Step 5: Solve for x
    x = 4,105,782,882.54/73,017.32
  6. Step 6: Final answer
    x = 56,230.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.