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Finding the Fourth Proportional to 23,327.78, 34,990.77 and 6,687.77

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Solution

The fourth proportional to 23,327.78, 34,990.77 and 6,687.77 is: 10,031.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,327.78 : 34,990.77 = 6,687.77 : x
  2. Step 2: Convert to fraction form
    23,327.78/34,990.77 = 6,687.77/x
  3. Step 3: Cross multiply
    23,327.78x = 34,990.77 × 6,687.77
  4. Step 4: Simplify right side
    23,327.78x = 234,010,221.88
  5. Step 5: Solve for x
    x = 234,010,221.88/23,327.78
  6. Step 6: Final answer
    x = 10,031.40

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1.5x scale

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.