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Finding the Fourth Proportional to 74,682.92, 103,040.32 and 44,444

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Solution

The fourth proportional to 74,682.92, 103,040.32 and 44,444 is: 61,319.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,682.92 : 103,040.32 = 44,444 : x
  2. Step 2: Convert to fraction form
    74,682.92/103,040.32 = 44,444/x
  3. Step 3: Cross multiply
    74,682.92x = 103,040.32 × 44,444
  4. Step 4: Simplify right side
    74,682.92x = 4,579,523,982.08
  5. Step 5: Solve for x
    x = 4,579,523,982.08/74,682.92
  6. Step 6: Final answer
    x = 61,319.56

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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.