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Finding the Fourth Proportional to 6,153, 8,491.26 and 3,669

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Solution

The fourth proportional to 6,153, 8,491.26 and 3,669 is: 5,063.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,153 : 8,491.26 = 3,669 : x
  2. Step 2: Convert to fraction form
    6,153/8,491.26 = 3,669/x
  3. Step 3: Cross multiply
    6,153x = 8,491.26 × 3,669
  4. Step 4: Simplify right side
    6,153x = 31,154,432.94
  5. Step 5: Solve for x
    x = 31,154,432.94/6,153
  6. Step 6: Final answer
    x = 5,063.29

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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.