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Finding the Fourth Proportional to 44,400.78, 66,601.14 and 11,568.78

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Solution

The fourth proportional to 44,400.78, 66,601.14 and 11,568.78 is: 17,353.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,400.78 : 66,601.14 = 11,568.78 : x
  2. Step 2: Convert to fraction form
    44,400.78/66,601.14 = 11,568.78/x
  3. Step 3: Cross multiply
    44,400.78x = 66,601.14 × 11,568.78
  4. Step 4: Simplify right side
    44,400.78x = 770,493,936.41
  5. Step 5: Solve for x
    x = 770,493,936.41/44,400.78
  6. Step 6: Final answer
    x = 17,353.16

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1.5x scale

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.