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Finding the Fourth Proportional to 1,467.72, 2,026.13 and 908.51

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Solution

The fourth proportional to 1,467.72, 2,026.13 and 908.51 is: 1,254.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467.72 : 2,026.13 = 908.51 : x
  2. Step 2: Convert to fraction form
    1,467.72/2,026.13 = 908.51/x
  3. Step 3: Cross multiply
    1,467.72x = 2,026.13 × 908.51
  4. Step 4: Simplify right side
    1,467.72x = 1,840,744.69
  5. Step 5: Solve for x
    x = 1,840,744.69/1,467.72
  6. Step 6: Final answer
    x = 1,254.15

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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.