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Finding the Fourth Proportional to 10,035.84, 15,063 and 5,109

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Solution

The fourth proportional to 10,035.84, 15,063 and 5,109 is: 7,668.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,035.84 : 15,063 = 5,109 : x
  2. Step 2: Convert to fraction form
    10,035.84/15,063 = 5,109/x
  3. Step 3: Cross multiply
    10,035.84x = 15,063 × 5,109
  4. Step 4: Simplify right side
    10,035.84x = 76,956,867
  5. Step 5: Solve for x
    x = 76,956,867/10,035.84
  6. Step 6: Final answer
    x = 7,668.20

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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.