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Finding the Fourth Proportional to 3,244.60, 4,866.54 and 936.10

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Solution

The fourth proportional to 3,244.60, 4,866.54 and 936.10 is: 1,404.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,244.60 : 4,866.54 = 936.10 : x
  2. Step 2: Convert to fraction form
    3,244.60/4,866.54 = 936.10/x
  3. Step 3: Cross multiply
    3,244.60x = 4,866.54 × 936.10
  4. Step 4: Simplify right side
    3,244.60x = 4,555,568.09
  5. Step 5: Solve for x
    x = 4,555,568.09/3,244.60
  6. Step 6: Final answer
    x = 1,404.05

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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.