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Finding the Fourth Proportional to 2,884.05, 4,326.02 and 936.25

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Solution

The fourth proportional to 2,884.05, 4,326.02 and 936.25 is: 1,404.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,884.05 : 4,326.02 = 936.25 : x
  2. Step 2: Convert to fraction form
    2,884.05/4,326.02 = 936.25/x
  3. Step 3: Cross multiply
    2,884.05x = 4,326.02 × 936.25
  4. Step 4: Simplify right side
    2,884.05x = 4,050,236.23
  5. Step 5: Solve for x
    x = 4,050,236.23/2,884.05
  6. Step 6: Final answer
    x = 1,404.36

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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.