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Finding the Fourth Proportional to 9,993.63, 13,791.06 and 5,801.88

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Solution

The fourth proportional to 9,993.63, 13,791.06 and 5,801.88 is: 8,006.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,993.63 : 13,791.06 = 5,801.88 : x
  2. Step 2: Convert to fraction form
    9,993.63/13,791.06 = 5,801.88/x
  3. Step 3: Cross multiply
    9,993.63x = 13,791.06 × 5,801.88
  4. Step 4: Simplify right side
    9,993.63x = 80,014,075.19
  5. Step 5: Solve for x
    x = 80,014,075.19/9,993.63
  6. Step 6: Final answer
    x = 8,006.51

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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.