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Finding the Fourth Proportional to 73,076.04, 100,845.27 and 39,542.04

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Solution

The fourth proportional to 73,076.04, 100,845.27 and 39,542.04 is: 54,568.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,076.04 : 100,845.27 = 39,542.04 : x
  2. Step 2: Convert to fraction form
    73,076.04/100,845.27 = 39,542.04/x
  3. Step 3: Cross multiply
    73,076.04x = 100,845.27 × 39,542.04
  4. Step 4: Simplify right side
    73,076.04x = 3,987,627,700.15
  5. Step 5: Solve for x
    x = 3,987,627,700.15/73,076.04
  6. Step 6: Final answer
    x = 54,568.20

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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.