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Finding the Fourth Proportional to 60,939.52, 91,408.32 and 44,404.48

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Solution

The fourth proportional to 60,939.52, 91,408.32 and 44,404.48 is: 66,606.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,939.52 : 91,408.32 = 44,404.48 : x
  2. Step 2: Convert to fraction form
    60,939.52/91,408.32 = 44,404.48/x
  3. Step 3: Cross multiply
    60,939.52x = 91,408.32 × 44,404.48
  4. Step 4: Simplify right side
    60,939.52x = 4,058,938,917.27
  5. Step 5: Solve for x
    x = 4,058,938,917.27/60,939.52
  6. Step 6: Final answer
    x = 66,606.02

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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.