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Finding the Fourth Proportional to 908.17, 1,249.34 and 795.63

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Solution

The fourth proportional to 908.17, 1,249.34 and 795.63 is: 1,094.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    908.17 : 1,249.34 = 795.63 : x
  2. Step 2: Convert to fraction form
    908.17/1,249.34 = 795.63/x
  3. Step 3: Cross multiply
    908.17x = 1,249.34 × 795.63
  4. Step 4: Simplify right side
    908.17x = 994,018.99
  5. Step 5: Solve for x
    x = 994,018.99/908.17
  6. Step 6: Final answer
    x = 1,094.53

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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.