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Finding the Fourth Proportional to 15,152, 22,728 and 4,208

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Solution

The fourth proportional to 15,152, 22,728 and 4,208 is: 6,312

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,152 : 22,728 = 4,208 : x
  2. Step 2: Convert to fraction form
    15,152/22,728 = 4,208/x
  3. Step 3: Cross multiply
    15,152x = 22,728 × 4,208
  4. Step 4: Simplify right side
    15,152x = 95,639,424
  5. Step 5: Solve for x
    x = 95,639,424/15,152
  6. Step 6: Final answer
    x = 6,312

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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.