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Finding the Fourth Proportional to 4,156, 6,236.82 and 1,559.08

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Solution

The fourth proportional to 4,156, 6,236.82 and 1,559.08 is: 2,339.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,156 : 6,236.82 = 1,559.08 : x
  2. Step 2: Convert to fraction form
    4,156/6,236.82 = 1,559.08/x
  3. Step 3: Cross multiply
    4,156x = 6,236.82 × 1,559.08
  4. Step 4: Simplify right side
    4,156x = 9,723,701.33
  5. Step 5: Solve for x
    x = 9,723,701.33/4,156
  6. Step 6: Final answer
    x = 2,339.68

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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.