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Finding the Fourth Proportional to 3,374.17, 5,060.91 and 908.89

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Solution

The fourth proportional to 3,374.17, 5,060.91 and 908.89 is: 1,363.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,374.17 : 5,060.91 = 908.89 : x
  2. Step 2: Convert to fraction form
    3,374.17/5,060.91 = 908.89/x
  3. Step 3: Cross multiply
    3,374.17x = 5,060.91 × 908.89
  4. Step 4: Simplify right side
    3,374.17x = 4,599,810.49
  5. Step 5: Solve for x
    x = 4,599,810.49/3,374.17
  6. Step 6: Final answer
    x = 1,363.24

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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.