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Finding the Fourth Proportional to 11,536.53, 15,920.47 and 6,500.82

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Solution

The fourth proportional to 11,536.53, 15,920.47 and 6,500.82 is: 8,971.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,536.53 : 15,920.47 = 6,500.82 : x
  2. Step 2: Convert to fraction form
    11,536.53/15,920.47 = 6,500.82/x
  3. Step 3: Cross multiply
    11,536.53x = 15,920.47 × 6,500.82
  4. Step 4: Simplify right side
    11,536.53x = 103,496,177.61
  5. Step 5: Solve for x
    x = 103,496,177.61/11,536.53
  6. Step 6: Final answer
    x = 8,971.17

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.