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Finding the Fourth Proportional to 2,446.66, 3,670.50 and 803.22

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Solution

The fourth proportional to 2,446.66, 3,670.50 and 803.22 is: 1,205.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,446.66 : 3,670.50 = 803.22 : x
  2. Step 2: Convert to fraction form
    2,446.66/3,670.50 = 803.22/x
  3. Step 3: Cross multiply
    2,446.66x = 3,670.50 × 803.22
  4. Step 4: Simplify right side
    2,446.66x = 2,948,219.01
  5. Step 5: Solve for x
    x = 2,948,219.01/2,446.66
  6. Step 6: Final answer
    x = 1,205.00

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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.