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Finding the Fourth Proportional to 53,331, 80,009.46 and 16,395

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Solution

The fourth proportional to 53,331, 80,009.46 and 16,395 is: 24,596.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,331 : 80,009.46 = 16,395 : x
  2. Step 2: Convert to fraction form
    53,331/80,009.46 = 16,395/x
  3. Step 3: Cross multiply
    53,331x = 80,009.46 × 16,395
  4. Step 4: Simplify right side
    53,331x = 1,311,755,096.70
  5. Step 5: Solve for x
    x = 1,311,755,096.70/53,331
  6. Step 6: Final answer
    x = 24,596.48

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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.