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Finding the Fourth Proportional to 11,052, 15,251.76 and 6,636

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Solution

The fourth proportional to 11,052, 15,251.76 and 6,636 is: 9,157.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,052 : 15,251.76 = 6,636 : x
  2. Step 2: Convert to fraction form
    11,052/15,251.76 = 6,636/x
  3. Step 3: Cross multiply
    11,052x = 15,251.76 × 6,636
  4. Step 4: Simplify right side
    11,052x = 101,210,679.36
  5. Step 5: Solve for x
    x = 101,210,679.36/11,052
  6. Step 6: Final answer
    x = 9,157.68

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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.