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Finding the Fourth Proportional to 3,308.04, 4,961.48 and 936.28

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Solution

The fourth proportional to 3,308.04, 4,961.48 and 936.28 is: 1,404.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.04 : 4,961.48 = 936.28 : x
  2. Step 2: Convert to fraction form
    3,308.04/4,961.48 = 936.28/x
  3. Step 3: Cross multiply
    3,308.04x = 4,961.48 × 936.28
  4. Step 4: Simplify right side
    3,308.04x = 4,645,334.49
  5. Step 5: Solve for x
    x = 4,645,334.49/3,308.04
  6. Step 6: Final answer
    x = 1,404.26

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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.