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Finding the Fourth Proportional to 6,634.14, 9,929.34 and 5,905.14

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Solution

The fourth proportional to 6,634.14, 9,929.34 and 5,905.14 is: 8,838.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,634.14 : 9,929.34 = 5,905.14 : x
  2. Step 2: Convert to fraction form
    6,634.14/9,929.34 = 5,905.14/x
  3. Step 3: Cross multiply
    6,634.14x = 9,929.34 × 5,905.14
  4. Step 4: Simplify right side
    6,634.14x = 58,634,142.81
  5. Step 5: Solve for x
    x = 58,634,142.81/6,634.14
  6. Step 6: Final answer
    x = 8,838.24

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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.