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Finding the Fourth Proportional to 9,993.52, 13,791 and 5,801.68

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Solution

The fourth proportional to 9,993.52, 13,791 and 5,801.68 is: 8,006.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,993.52 : 13,791 = 5,801.68 : x
  2. Step 2: Convert to fraction form
    9,993.52/13,791 = 5,801.68/x
  3. Step 3: Cross multiply
    9,993.52x = 13,791 × 5,801.68
  4. Step 4: Simplify right side
    9,993.52x = 80,010,968.88
  5. Step 5: Solve for x
    x = 80,010,968.88/9,993.52
  6. Step 6: Final answer
    x = 8,006.28

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1.5x scale

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.