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Finding the Fourth Proportional to 2,394.95, 3,305.06 and 1,347

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Solution

The fourth proportional to 2,394.95, 3,305.06 and 1,347 is: 1,858.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,394.95 : 3,305.06 = 1,347 : x
  2. Step 2: Convert to fraction form
    2,394.95/3,305.06 = 1,347/x
  3. Step 3: Cross multiply
    2,394.95x = 3,305.06 × 1,347
  4. Step 4: Simplify right side
    2,394.95x = 4,451,909.09
  5. Step 5: Solve for x
    x = 4,451,909.09/2,394.95
  6. Step 6: Final answer
    x = 1,858.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.