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Finding the Fourth Proportional to 2,969.11, 4,453.91 and 888.96

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Solution

The fourth proportional to 2,969.11, 4,453.91 and 888.96 is: 1,333.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,969.11 : 4,453.91 = 888.96 : x
  2. Step 2: Convert to fraction form
    2,969.11/4,453.91 = 888.96/x
  3. Step 3: Cross multiply
    2,969.11x = 4,453.91 × 888.96
  4. Step 4: Simplify right side
    2,969.11x = 3,959,347.83
  5. Step 5: Solve for x
    x = 3,959,347.83/2,969.11
  6. Step 6: Final answer
    x = 1,333.51

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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.