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Finding the Fourth Proportional to 44,468.66, 66,706.44 and 12,879.17

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Solution

The fourth proportional to 44,468.66, 66,706.44 and 12,879.17 is: 19,319.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,468.66 : 66,706.44 = 12,879.17 : x
  2. Step 2: Convert to fraction form
    44,468.66/66,706.44 = 12,879.17/x
  3. Step 3: Cross multiply
    44,468.66x = 66,706.44 × 12,879.17
  4. Step 4: Simplify right side
    44,468.66x = 859,123,449.17
  5. Step 5: Solve for x
    x = 859,123,449.17/44,468.66
  6. Step 6: Final answer
    x = 19,319.75

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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.