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Finding the Fourth Proportional to 9,843.24, 13,583.48 and 5,367.02

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Solution

The fourth proportional to 9,843.24, 13,583.48 and 5,367.02 is: 7,406.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,843.24 : 13,583.48 = 5,367.02 : x
  2. Step 2: Convert to fraction form
    9,843.24/13,583.48 = 5,367.02/x
  3. Step 3: Cross multiply
    9,843.24x = 13,583.48 × 5,367.02
  4. Step 4: Simplify right side
    9,843.24x = 72,902,815.95
  5. Step 5: Solve for x
    x = 72,902,815.95/9,843.24
  6. Step 6: Final answer
    x = 7,406.38

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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.