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Finding the Fourth Proportional to 44,645.56, 66,979.60 and 31,523.56

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Solution

The fourth proportional to 44,645.56, 66,979.60 and 31,523.56 is: 47,293.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,645.56 : 66,979.60 = 31,523.56 : x
  2. Step 2: Convert to fraction form
    44,645.56/66,979.60 = 31,523.56/x
  3. Step 3: Cross multiply
    44,645.56x = 66,979.60 × 31,523.56
  4. Step 4: Simplify right side
    44,645.56x = 2,111,435,439.38
  5. Step 5: Solve for x
    x = 2,111,435,439.38/44,645.56
  6. Step 6: Final answer
    x = 47,293.29

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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.