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Finding the Fourth Proportional to 50,722.80, 75,717.66 and 44,502

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Solution

The fourth proportional to 50,722.80, 75,717.66 and 44,502 is: 66,431.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,722.80 : 75,717.66 = 44,502 : x
  2. Step 2: Convert to fraction form
    50,722.80/75,717.66 = 44,502/x
  3. Step 3: Cross multiply
    50,722.80x = 75,717.66 × 44,502
  4. Step 4: Simplify right side
    50,722.80x = 3,369,587,305.32
  5. Step 5: Solve for x
    x = 3,369,587,305.32/50,722.80
  6. Step 6: Final answer
    x = 66,431.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.