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Finding the Fourth Proportional to 6,636.44, 9,956.02 and 3,865.44

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Solution

The fourth proportional to 6,636.44, 9,956.02 and 3,865.44 is: 5,798.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636.44 : 9,956.02 = 3,865.44 : x
  2. Step 2: Convert to fraction form
    6,636.44/9,956.02 = 3,865.44/x
  3. Step 3: Cross multiply
    6,636.44x = 9,956.02 × 3,865.44
  4. Step 4: Simplify right side
    6,636.44x = 38,484,397.95
  5. Step 5: Solve for x
    x = 38,484,397.95/6,636.44
  6. Step 6: Final answer
    x = 5,798.95

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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.