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Finding the Fourth Proportional to 8,791.79, 13,187.73 and 3,597.66

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Solution

The fourth proportional to 8,791.79, 13,187.73 and 3,597.66 is: 5,396.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791.79 : 13,187.73 = 3,597.66 : x
  2. Step 2: Convert to fraction form
    8,791.79/13,187.73 = 3,597.66/x
  3. Step 3: Cross multiply
    8,791.79x = 13,187.73 × 3,597.66
  4. Step 4: Simplify right side
    8,791.79x = 47,444,968.71
  5. Step 5: Solve for x
    x = 47,444,968.71/8,791.79
  6. Step 6: Final answer
    x = 5,396.51

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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.