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Finding the Fourth Proportional to 1,767.14, 2,648.76 and 888.23

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Solution

The fourth proportional to 1,767.14, 2,648.76 and 888.23 is: 1,331.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767.14 : 2,648.76 = 888.23 : x
  2. Step 2: Convert to fraction form
    1,767.14/2,648.76 = 888.23/x
  3. Step 3: Cross multiply
    1,767.14x = 2,648.76 × 888.23
  4. Step 4: Simplify right side
    1,767.14x = 2,352,708.09
  5. Step 5: Solve for x
    x = 2,352,708.09/1,767.14
  6. Step 6: Final answer
    x = 1,331.36

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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.