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Finding the Fourth Proportional to 40,176, 60,264 and 15,552

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Solution

The fourth proportional to 40,176, 60,264 and 15,552 is: 23,328

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,176 : 60,264 = 15,552 : x
  2. Step 2: Convert to fraction form
    40,176/60,264 = 15,552/x
  3. Step 3: Cross multiply
    40,176x = 60,264 × 15,552
  4. Step 4: Simplify right side
    40,176x = 937,225,728
  5. Step 5: Solve for x
    x = 937,225,728/40,176
  6. Step 6: Final answer
    x = 23,328

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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.