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Finding the Fourth Proportional to 15,179, 22,772.34 and 4,235

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Solution

The fourth proportional to 15,179, 22,772.34 and 4,235 is: 6,353.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,179 : 22,772.34 = 4,235 : x
  2. Step 2: Convert to fraction form
    15,179/22,772.34 = 4,235/x
  3. Step 3: Cross multiply
    15,179x = 22,772.34 × 4,235
  4. Step 4: Simplify right side
    15,179x = 96,440,859.90
  5. Step 5: Solve for x
    x = 96,440,859.90/15,179
  6. Step 6: Final answer
    x = 6,353.57

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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.