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Finding the Fourth Proportional to 11,860.93, 17,791.45 and 6,603.93

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Solution

The fourth proportional to 11,860.93, 17,791.45 and 6,603.93 is: 9,905.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,860.93 : 17,791.45 = 6,603.93 : x
  2. Step 2: Convert to fraction form
    11,860.93/17,791.45 = 6,603.93/x
  3. Step 3: Cross multiply
    11,860.93x = 17,791.45 × 6,603.93
  4. Step 4: Simplify right side
    11,860.93x = 117,493,473.89
  5. Step 5: Solve for x
    x = 117,493,473.89/11,860.93
  6. Step 6: Final answer
    x = 9,905.92

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1.5x scale

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.