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Finding the Fourth Proportional to 2,394.92, 3,589.72 and 1,808.01

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Solution

The fourth proportional to 2,394.92, 3,589.72 and 1,808.01 is: 2,710.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,394.92 : 3,589.72 = 1,808.01 : x
  2. Step 2: Convert to fraction form
    2,394.92/3,589.72 = 1,808.01/x
  3. Step 3: Cross multiply
    2,394.92x = 3,589.72 × 1,808.01
  4. Step 4: Simplify right side
    2,394.92x = 6,490,262.81
  5. Step 5: Solve for x
    x = 6,490,262.81/2,394.92
  6. Step 6: Final answer
    x = 2,710.02

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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.