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Finding the Fourth Proportional to 1,468.28, 2,026.26 and 908.84

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Solution

The fourth proportional to 1,468.28, 2,026.26 and 908.84 is: 1,254.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468.28 : 2,026.26 = 908.84 : x
  2. Step 2: Convert to fraction form
    1,468.28/2,026.26 = 908.84/x
  3. Step 3: Cross multiply
    1,468.28x = 2,026.26 × 908.84
  4. Step 4: Simplify right side
    1,468.28x = 1,841,546.14
  5. Step 5: Solve for x
    x = 1,841,546.14/1,468.28
  6. Step 6: Final answer
    x = 1,254.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.