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Finding the Fourth Proportional to 27,192.44, 40,788.70 and 7,473.94

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Solution

The fourth proportional to 27,192.44, 40,788.70 and 7,473.94 is: 11,210.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,192.44 : 40,788.70 = 7,473.94 : x
  2. Step 2: Convert to fraction form
    27,192.44/40,788.70 = 7,473.94/x
  3. Step 3: Cross multiply
    27,192.44x = 40,788.70 × 7,473.94
  4. Step 4: Simplify right side
    27,192.44x = 304,852,175.82
  5. Step 5: Solve for x
    x = 304,852,175.82/27,192.44
  6. Step 6: Final answer
    x = 11,210.92

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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.