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Finding the Fourth Proportional to 7,696, 11,535.90 and 5,498.20

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Solution

The fourth proportional to 7,696, 11,535.90 and 5,498.20 is: 8,241.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,696 : 11,535.90 = 5,498.20 : x
  2. Step 2: Convert to fraction form
    7,696/11,535.90 = 5,498.20/x
  3. Step 3: Cross multiply
    7,696x = 11,535.90 × 5,498.20
  4. Step 4: Simplify right side
    7,696x = 63,426,685.38
  5. Step 5: Solve for x
    x = 63,426,685.38/7,696
  6. Step 6: Final answer
    x = 8,241.51

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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.