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Finding the Fourth Proportional to 27,791.94, 38,352.84 and 15,045.06

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Solution

The fourth proportional to 27,791.94, 38,352.84 and 15,045.06 is: 20,762.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,791.94 : 38,352.84 = 15,045.06 : x
  2. Step 2: Convert to fraction form
    27,791.94/38,352.84 = 15,045.06/x
  3. Step 3: Cross multiply
    27,791.94x = 38,352.84 × 15,045.06
  4. Step 4: Simplify right side
    27,791.94x = 577,020,922.79
  5. Step 5: Solve for x
    x = 577,020,922.79/27,791.94
  6. Step 6: Final answer
    x = 20,762.17

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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.