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Finding the Fourth Proportional to 8,823.39, 13,225.86 and 6,479.91

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Solution

The fourth proportional to 8,823.39, 13,225.86 and 6,479.91 is: 9,713.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,823.39 : 13,225.86 = 6,479.91 : x
  2. Step 2: Convert to fraction form
    8,823.39/13,225.86 = 6,479.91/x
  3. Step 3: Cross multiply
    8,823.39x = 13,225.86 × 6,479.91
  4. Step 4: Simplify right side
    8,823.39x = 85,702,382.47
  5. Step 5: Solve for x
    x = 85,702,382.47/8,823.39
  6. Step 6: Final answer
    x = 9,713.09

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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.