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Finding the Fourth Proportional to 44,638.11, 66,961.11 and 16,558.47

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Solution

The fourth proportional to 44,638.11, 66,961.11 and 16,558.47 is: 24,839.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,638.11 : 66,961.11 = 16,558.47 : x
  2. Step 2: Convert to fraction form
    44,638.11/66,961.11 = 16,558.47/x
  3. Step 3: Cross multiply
    44,638.11x = 66,961.11 × 16,558.47
  4. Step 4: Simplify right side
    44,638.11x = 1,108,773,531.10
  5. Step 5: Solve for x
    x = 1,108,773,531.10/44,638.11
  6. Step 6: Final answer
    x = 24,839.17

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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.