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Finding the Fourth Proportional to 7,156.61, 10,736.07 and 2,227.39

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Solution

The fourth proportional to 7,156.61, 10,736.07 and 2,227.39 is: 3,341.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156.61 : 10,736.07 = 2,227.39 : x
  2. Step 2: Convert to fraction form
    7,156.61/10,736.07 = 2,227.39/x
  3. Step 3: Cross multiply
    7,156.61x = 10,736.07 × 2,227.39
  4. Step 4: Simplify right side
    7,156.61x = 23,913,403.82
  5. Step 5: Solve for x
    x = 23,913,403.82/7,156.61
  6. Step 6: Final answer
    x = 3,341.44

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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.