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Finding the Fourth Proportional to 11,365.52, 17,048.56 and 4,791.74

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Solution

The fourth proportional to 11,365.52, 17,048.56 and 4,791.74 is: 7,187.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,365.52 : 17,048.56 = 4,791.74 : x
  2. Step 2: Convert to fraction form
    11,365.52/17,048.56 = 4,791.74/x
  3. Step 3: Cross multiply
    11,365.52x = 17,048.56 × 4,791.74
  4. Step 4: Simplify right side
    11,365.52x = 81,692,266.89
  5. Step 5: Solve for x
    x = 81,692,266.89/11,365.52
  6. Step 6: Final answer
    x = 7,187.73

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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.