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Finding the Fourth Proportional to 2,298.68, 3,447.98 and 837.32

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Solution

The fourth proportional to 2,298.68, 3,447.98 and 837.32 is: 1,255.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298.68 : 3,447.98 = 837.32 : x
  2. Step 2: Convert to fraction form
    2,298.68/3,447.98 = 837.32/x
  3. Step 3: Cross multiply
    2,298.68x = 3,447.98 × 837.32
  4. Step 4: Simplify right side
    2,298.68x = 2,887,062.61
  5. Step 5: Solve for x
    x = 2,887,062.61/2,298.68
  6. Step 6: Final answer
    x = 1,255.97

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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.