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Finding the Fourth Proportional to 63,215.91, 94,793.76 and 18,827.10

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Solution

The fourth proportional to 63,215.91, 94,793.76 and 18,827.10 is: 28,231.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,215.91 : 94,793.76 = 18,827.10 : x
  2. Step 2: Convert to fraction form
    63,215.91/94,793.76 = 18,827.10/x
  3. Step 3: Cross multiply
    63,215.91x = 94,793.76 × 18,827.10
  4. Step 4: Simplify right side
    63,215.91x = 1,784,691,598.90
  5. Step 5: Solve for x
    x = 1,784,691,598.90/63,215.91
  6. Step 6: Final answer
    x = 28,231.68

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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.