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Finding the Fourth Proportional to 2,068.65, 3,100.10 and 1,606.95

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Solution

The fourth proportional to 2,068.65, 3,100.10 and 1,606.95 is: 2,408.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068.65 : 3,100.10 = 1,606.95 : x
  2. Step 2: Convert to fraction form
    2,068.65/3,100.10 = 1,606.95/x
  3. Step 3: Cross multiply
    2,068.65x = 3,100.10 × 1,606.95
  4. Step 4: Simplify right side
    2,068.65x = 4,981,697.66
  5. Step 5: Solve for x
    x = 4,981,697.66/2,068.65
  6. Step 6: Final answer
    x = 2,408.19

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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.