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Finding the Fourth Proportional to 2,994.17, 4,490.93 and 803.12

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Solution

The fourth proportional to 2,994.17, 4,490.93 and 803.12 is: 1,204.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,994.17 : 4,490.93 = 803.12 : x
  2. Step 2: Convert to fraction form
    2,994.17/4,490.93 = 803.12/x
  3. Step 3: Cross multiply
    2,994.17x = 4,490.93 × 803.12
  4. Step 4: Simplify right side
    2,994.17x = 3,606,735.25
  5. Step 5: Solve for x
    x = 3,606,735.25/2,994.17
  6. Step 6: Final answer
    x = 1,204.59

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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.