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Finding the Fourth Proportional to 73,004.22, 100,745.97 and 39,470.22

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Solution

The fourth proportional to 73,004.22, 100,745.97 and 39,470.22 is: 54,468.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,004.22 : 100,745.97 = 39,470.22 : x
  2. Step 2: Convert to fraction form
    73,004.22/100,745.97 = 39,470.22/x
  3. Step 3: Cross multiply
    73,004.22x = 100,745.97 × 39,470.22
  4. Step 4: Simplify right side
    73,004.22x = 3,976,465,600.01
  5. Step 5: Solve for x
    x = 3,976,465,600.01/73,004.22
  6. Step 6: Final answer
    x = 54,468.98

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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.