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Finding the Fourth Proportional to 44,641.11, 66,965.60 and 16,561.47

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Solution

The fourth proportional to 44,641.11, 66,965.60 and 16,561.47 is: 24,843.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,641.11 : 66,965.60 = 16,561.47 : x
  2. Step 2: Convert to fraction form
    44,641.11/66,965.60 = 16,561.47/x
  3. Step 3: Cross multiply
    44,641.11x = 66,965.60 × 16,561.47
  4. Step 4: Simplify right side
    44,641.11x = 1,109,048,692.62
  5. Step 5: Solve for x
    x = 1,109,048,692.62/44,641.11
  6. Step 6: Final answer
    x = 24,843.66

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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.