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Finding the Fourth Proportional to 44,524.48, 66,780.18 and 16,816

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Solution

The fourth proportional to 44,524.48, 66,780.18 and 16,816 is: 25,221.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,524.48 : 66,780.18 = 16,816 : x
  2. Step 2: Convert to fraction form
    44,524.48/66,780.18 = 16,816/x
  3. Step 3: Cross multiply
    44,524.48x = 66,780.18 × 16,816
  4. Step 4: Simplify right side
    44,524.48x = 1,122,975,506.88
  5. Step 5: Solve for x
    x = 1,122,975,506.88/44,524.48
  6. Step 6: Final answer
    x = 25,221.53

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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.