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Finding the Fourth Proportional to 35,514, 53,271 and 10,890

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Solution

The fourth proportional to 35,514, 53,271 and 10,890 is: 16,335

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,514 : 53,271 = 10,890 : x
  2. Step 2: Convert to fraction form
    35,514/53,271 = 10,890/x
  3. Step 3: Cross multiply
    35,514x = 53,271 × 10,890
  4. Step 4: Simplify right side
    35,514x = 580,121,190
  5. Step 5: Solve for x
    x = 580,121,190/35,514
  6. Step 6: Final answer
    x = 16,335

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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.