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Finding the Fourth Proportional to 9,323, 13,979.94 and 4,388.48

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Solution

The fourth proportional to 9,323, 13,979.94 and 4,388.48 is: 6,580.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,323 : 13,979.94 = 4,388.48 : x
  2. Step 2: Convert to fraction form
    9,323/13,979.94 = 4,388.48/x
  3. Step 3: Cross multiply
    9,323x = 13,979.94 × 4,388.48
  4. Step 4: Simplify right side
    9,323x = 61,350,687.09
  5. Step 5: Solve for x
    x = 61,350,687.09/9,323
  6. Step 6: Final answer
    x = 6,580.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.