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Finding the Fourth Proportional to 6,636.13, 9,952.13 and 3,122.62

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Solution

The fourth proportional to 6,636.13, 9,952.13 and 3,122.62 is: 4,682.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636.13 : 9,952.13 = 3,122.62 : x
  2. Step 2: Convert to fraction form
    6,636.13/9,952.13 = 3,122.62/x
  3. Step 3: Cross multiply
    6,636.13x = 9,952.13 × 3,122.62
  4. Step 4: Simplify right side
    6,636.13x = 31,076,703.11
  5. Step 5: Solve for x
    x = 31,076,703.11/6,636.13
  6. Step 6: Final answer
    x = 4,682.96

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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.