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Finding the Fourth Proportional to 44,593.60, 66,890.40 and 11,761.60

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Solution

The fourth proportional to 44,593.60, 66,890.40 and 11,761.60 is: 17,642.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,593.60 : 66,890.40 = 11,761.60 : x
  2. Step 2: Convert to fraction form
    44,593.60/66,890.40 = 11,761.60/x
  3. Step 3: Cross multiply
    44,593.60x = 66,890.40 × 11,761.60
  4. Step 4: Simplify right side
    44,593.60x = 786,738,128.64
  5. Step 5: Solve for x
    x = 786,738,128.64/44,593.60
  6. Step 6: Final answer
    x = 17,642.40

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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.