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Finding the Fourth Proportional to 73,126.26, 100,914.39 and 39,592.26

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Solution

The fourth proportional to 73,126.26, 100,914.39 and 39,592.26 is: 54,637.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,126.26 : 100,914.39 = 39,592.26 : x
  2. Step 2: Convert to fraction form
    73,126.26/100,914.39 = 39,592.26/x
  3. Step 3: Cross multiply
    73,126.26x = 100,914.39 × 39,592.26
  4. Step 4: Simplify right side
    73,126.26x = 3,995,428,766.62
  5. Step 5: Solve for x
    x = 3,995,428,766.62/73,126.26
  6. Step 6: Final answer
    x = 54,637.40

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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.