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Finding the Fourth Proportional to 44,074, 66,111.36 and 16,372

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Solution

The fourth proportional to 44,074, 66,111.36 and 16,372 is: 24,558.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,074 : 66,111.36 = 16,372 : x
  2. Step 2: Convert to fraction form
    44,074/66,111.36 = 16,372/x
  3. Step 3: Cross multiply
    44,074x = 66,111.36 × 16,372
  4. Step 4: Simplify right side
    44,074x = 1,082,375,185.92
  5. Step 5: Solve for x
    x = 1,082,375,185.92/44,074
  6. Step 6: Final answer
    x = 24,558.13

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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.