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Finding the Fourth Proportional to 53,272, 79,908 and 16,336

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Solution

The fourth proportional to 53,272, 79,908 and 16,336 is: 24,504

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,272 : 79,908 = 16,336 : x
  2. Step 2: Convert to fraction form
    53,272/79,908 = 16,336/x
  3. Step 3: Cross multiply
    53,272x = 79,908 × 16,336
  4. Step 4: Simplify right side
    53,272x = 1,305,377,088
  5. Step 5: Solve for x
    x = 1,305,377,088/53,272
  6. Step 6: Final answer
    x = 24,504

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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.