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Finding the Fourth Proportional to 1,616.07, 2,424.26 and 836.44

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Solution

The fourth proportional to 1,616.07, 2,424.26 and 836.44 is: 1,254.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616.07 : 2,424.26 = 836.44 : x
  2. Step 2: Convert to fraction form
    1,616.07/2,424.26 = 836.44/x
  3. Step 3: Cross multiply
    1,616.07x = 2,424.26 × 836.44
  4. Step 4: Simplify right side
    1,616.07x = 2,027,748.03
  5. Step 5: Solve for x
    x = 2,027,748.03/1,616.07
  6. Step 6: Final answer
    x = 1,254.74

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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.