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Finding the Fourth Proportional to 6,357.76, 8,774.24 and 3,706

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Solution

The fourth proportional to 6,357.76, 8,774.24 and 3,706 is: 5,114.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,357.76 : 8,774.24 = 3,706 : x
  2. Step 2: Convert to fraction form
    6,357.76/8,774.24 = 3,706/x
  3. Step 3: Cross multiply
    6,357.76x = 8,774.24 × 3,706
  4. Step 4: Simplify right side
    6,357.76x = 32,517,333.44
  5. Step 5: Solve for x
    x = 32,517,333.44/6,357.76
  6. Step 6: Final answer
    x = 5,114.59

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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.