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Finding the Fourth Proportional to 41,520, 62,280 and 12,336

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Solution

The fourth proportional to 41,520, 62,280 and 12,336 is: 18,504

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,520 : 62,280 = 12,336 : x
  2. Step 2: Convert to fraction form
    41,520/62,280 = 12,336/x
  3. Step 3: Cross multiply
    41,520x = 62,280 × 12,336
  4. Step 4: Simplify right side
    41,520x = 768,286,080
  5. Step 5: Solve for x
    x = 768,286,080/41,520
  6. Step 6: Final answer
    x = 18,504

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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.