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Finding the Fourth Proportional to 2,968.71, 4,453.12 and 888.23

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Solution

The fourth proportional to 2,968.71, 4,453.12 and 888.23 is: 1,332.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968.71 : 4,453.12 = 888.23 : x
  2. Step 2: Convert to fraction form
    2,968.71/4,453.12 = 888.23/x
  3. Step 3: Cross multiply
    2,968.71x = 4,453.12 × 888.23
  4. Step 4: Simplify right side
    2,968.71x = 3,955,394.78
  5. Step 5: Solve for x
    x = 3,955,394.78/2,968.71
  6. Step 6: Final answer
    x = 1,332.36

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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.