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Finding the Fourth Proportional to 44,269.60, 66,314.80 and 27,578.40

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Solution

The fourth proportional to 44,269.60, 66,314.80 and 27,578.40 is: 41,311.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,269.60 : 66,314.80 = 27,578.40 : x
  2. Step 2: Convert to fraction form
    44,269.60/66,314.80 = 27,578.40/x
  3. Step 3: Cross multiply
    44,269.60x = 66,314.80 × 27,578.40
  4. Step 4: Simplify right side
    44,269.60x = 1,828,856,080.32
  5. Step 5: Solve for x
    x = 1,828,856,080.32/44,269.60
  6. Step 6: Final answer
    x = 41,311.78

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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.