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Finding the Fourth Proportional to 22,714.92, 34,060.02 and 7,919.88

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Solution

The fourth proportional to 22,714.92, 34,060.02 and 7,919.88 is: 11,875.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,714.92 : 34,060.02 = 7,919.88 : x
  2. Step 2: Convert to fraction form
    22,714.92/34,060.02 = 7,919.88/x
  3. Step 3: Cross multiply
    22,714.92x = 34,060.02 × 7,919.88
  4. Step 4: Simplify right side
    22,714.92x = 269,751,271.20
  5. Step 5: Solve for x
    x = 269,751,271.20/22,714.92
  6. Step 6: Final answer
    x = 11,875.51

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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.