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Finding the Fourth Proportional to 10,791.73, 14,893.73 and 6,316.93

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Solution

The fourth proportional to 10,791.73, 14,893.73 and 6,316.93 is: 8,718.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,791.73 : 14,893.73 = 6,316.93 : x
  2. Step 2: Convert to fraction form
    10,791.73/14,893.73 = 6,316.93/x
  3. Step 3: Cross multiply
    10,791.73x = 14,893.73 × 6,316.93
  4. Step 4: Simplify right side
    10,791.73x = 94,082,649.85
  5. Step 5: Solve for x
    x = 94,082,649.85/10,791.73
  6. Step 6: Final answer
    x = 8,718.03

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Why These Related Problems?

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