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Finding the Fourth Proportional to 9,797.94, 13,521.08 and 5,321.64

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Solution

The fourth proportional to 9,797.94, 13,521.08 and 5,321.64 is: 7,343.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,797.94 : 13,521.08 = 5,321.64 : x
  2. Step 2: Convert to fraction form
    9,797.94/13,521.08 = 5,321.64/x
  3. Step 3: Cross multiply
    9,797.94x = 13,521.08 × 5,321.64
  4. Step 4: Simplify right side
    9,797.94x = 71,954,320.17
  5. Step 5: Solve for x
    x = 71,954,320.17/9,797.94
  6. Step 6: Final answer
    x = 7,343.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.