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Finding the Fourth Proportional to 32,760.69, 49,094.10 and 18,691.62

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Solution

The fourth proportional to 32,760.69, 49,094.10 and 18,691.62 is: 28,010.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,760.69 : 49,094.10 = 18,691.62 : x
  2. Step 2: Convert to fraction form
    32,760.69/49,094.10 = 18,691.62/x
  3. Step 3: Cross multiply
    32,760.69x = 49,094.10 × 18,691.62
  4. Step 4: Simplify right side
    32,760.69x = 917,648,261.44
  5. Step 5: Solve for x
    x = 917,648,261.44/32,760.69
  6. Step 6: Final answer
    x = 28,010.65

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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.