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Finding the Fourth Proportional to 8,791.36, 13,214.18 and 5,888.32

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Solution

The fourth proportional to 8,791.36, 13,214.18 and 5,888.32 is: 8,850.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791.36 : 13,214.18 = 5,888.32 : x
  2. Step 2: Convert to fraction form
    8,791.36/13,214.18 = 5,888.32/x
  3. Step 3: Cross multiply
    8,791.36x = 13,214.18 × 5,888.32
  4. Step 4: Simplify right side
    8,791.36x = 77,809,320.38
  5. Step 5: Solve for x
    x = 77,809,320.38/8,791.36
  6. Step 6: Final answer
    x = 8,850.66

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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.