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Finding the Fourth Proportional to 3,948,863.26, 5,923,294.88 and 957,047.26

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Solution

The fourth proportional to 3,948,863.26, 5,923,294.88 and 957,047.26 is: 1,435,570.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948,863.26 : 5,923,294.88 = 957,047.26 : x
  2. Step 2: Convert to fraction form
    3,948,863.26/5,923,294.88 = 957,047.26/x
  3. Step 3: Cross multiply
    3,948,863.26x = 5,923,294.88 × 957,047.26
  4. Step 4: Simplify right side
    3,948,863.26x = 5,668,873,135,076.03
  5. Step 5: Solve for x
    x = 5,668,873,135,076.03/3,948,863.26
  6. Step 6: Final answer
    x = 1,435,570.89

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Double scale
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Similar ratio
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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.