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Finding the Fourth Proportional to 44,651.16, 66,965.46 and 16,555.77

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Solution

The fourth proportional to 44,651.16, 66,965.46 and 16,555.77 is: 24,829.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,651.16 : 66,965.46 = 16,555.77 : x
  2. Step 2: Convert to fraction form
    44,651.16/66,965.46 = 16,555.77/x
  3. Step 3: Cross multiply
    44,651.16x = 66,965.46 × 16,555.77
  4. Step 4: Simplify right side
    44,651.16x = 1,108,664,753.70
  5. Step 5: Solve for x
    x = 1,108,664,753.70/44,651.16
  6. Step 6: Final answer
    x = 24,829.47

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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.