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Finding the Fourth Proportional to 32,989.70, 49,483.85 and 8,029.88

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Solution

The fourth proportional to 32,989.70, 49,483.85 and 8,029.88 is: 12,044.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,989.70 : 49,483.85 = 8,029.88 : x
  2. Step 2: Convert to fraction form
    32,989.70/49,483.85 = 8,029.88/x
  3. Step 3: Cross multiply
    32,989.70x = 49,483.85 × 8,029.88
  4. Step 4: Simplify right side
    32,989.70x = 397,349,553.78
  5. Step 5: Solve for x
    x = 397,349,553.78/32,989.70
  6. Step 6: Final answer
    x = 12,044.66

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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.