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Finding the Fourth Proportional to 44,370.40, 66,555.60 and 18,061.60

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Solution

The fourth proportional to 44,370.40, 66,555.60 and 18,061.60 is: 27,092.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,370.40 : 66,555.60 = 18,061.60 : x
  2. Step 2: Convert to fraction form
    44,370.40/66,555.60 = 18,061.60/x
  3. Step 3: Cross multiply
    44,370.40x = 66,555.60 × 18,061.60
  4. Step 4: Simplify right side
    44,370.40x = 1,202,100,624.96
  5. Step 5: Solve for x
    x = 1,202,100,624.96/44,370.40
  6. Step 6: Final answer
    x = 27,092.40

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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.