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Finding the Fourth Proportional to 9,323.94, 12,868.02 and 5,346.32

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Solution

The fourth proportional to 9,323.94, 12,868.02 and 5,346.32 is: 7,378.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,323.94 : 12,868.02 = 5,346.32 : x
  2. Step 2: Convert to fraction form
    9,323.94/12,868.02 = 5,346.32/x
  3. Step 3: Cross multiply
    9,323.94x = 12,868.02 × 5,346.32
  4. Step 4: Simplify right side
    9,323.94x = 68,796,552.69
  5. Step 5: Solve for x
    x = 68,796,552.69/9,323.94
  6. Step 6: Final answer
    x = 7,378.49

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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.