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Finding the Fourth Proportional to 65,465.23, 90,376.54 and 44,067.48

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Solution

The fourth proportional to 65,465.23, 90,376.54 and 44,067.48 is: 60,836.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,465.23 : 90,376.54 = 44,067.48 : x
  2. Step 2: Convert to fraction form
    65,465.23/90,376.54 = 44,067.48/x
  3. Step 3: Cross multiply
    65,465.23x = 90,376.54 × 44,067.48
  4. Step 4: Simplify right side
    65,465.23x = 3,982,665,696.70
  5. Step 5: Solve for x
    x = 3,982,665,696.70/65,465.23
  6. Step 6: Final answer
    x = 60,836.35

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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.