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Finding the Fourth Proportional to 16,340.22, 24,512.88 and 6,479.28

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Solution

The fourth proportional to 16,340.22, 24,512.88 and 6,479.28 is: 9,719.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,340.22 : 24,512.88 = 6,479.28 : x
  2. Step 2: Convert to fraction form
    16,340.22/24,512.88 = 6,479.28/x
  3. Step 3: Cross multiply
    16,340.22x = 24,512.88 × 6,479.28
  4. Step 4: Simplify right side
    16,340.22x = 158,825,813.13
  5. Step 5: Solve for x
    x = 158,825,813.13/16,340.22
  6. Step 6: Final answer
    x = 9,719.93

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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.