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Finding the Fourth Proportional to 9,322.91, 13,983.91 and 3,479.06

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Solution

The fourth proportional to 9,322.91, 13,983.91 and 3,479.06 is: 5,218.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,322.91 : 13,983.91 = 3,479.06 : x
  2. Step 2: Convert to fraction form
    9,322.91/13,983.91 = 3,479.06/x
  3. Step 3: Cross multiply
    9,322.91x = 13,983.91 × 3,479.06
  4. Step 4: Simplify right side
    9,322.91x = 48,650,888.19
  5. Step 5: Solve for x
    x = 48,650,888.19/9,322.91
  6. Step 6: Final answer
    x = 5,218.42

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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.