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Finding the Fourth Proportional to 32,989.60, 49,483.71 and 8,029.79

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Solution

The fourth proportional to 32,989.60, 49,483.71 and 8,029.79 is: 12,044.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,989.60 : 49,483.71 = 8,029.79 : x
  2. Step 2: Convert to fraction form
    32,989.60/49,483.71 = 8,029.79/x
  3. Step 3: Cross multiply
    32,989.60x = 49,483.71 × 8,029.79
  4. Step 4: Simplify right side
    32,989.60x = 397,343,552.30
  5. Step 5: Solve for x
    x = 397,343,552.30/32,989.60
  6. Step 6: Final answer
    x = 12,044.51

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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.