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Finding the Fourth Proportional to 18,602.53, 27,881.91 and 7,494.38

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Solution

The fourth proportional to 18,602.53, 27,881.91 and 7,494.38 is: 11,232.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,602.53 : 27,881.91 = 7,494.38 : x
  2. Step 2: Convert to fraction form
    18,602.53/27,881.91 = 7,494.38/x
  3. Step 3: Cross multiply
    18,602.53x = 27,881.91 × 7,494.38
  4. Step 4: Simplify right side
    18,602.53x = 208,957,628.67
  5. Step 5: Solve for x
    x = 208,957,628.67/18,602.53
  6. Step 6: Final answer
    x = 11,232.75

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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.