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Finding the Fourth Proportional to 29,989.47, 44,984.19 and 8,929.41

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Solution

The fourth proportional to 29,989.47, 44,984.19 and 8,929.41 is: 13,394.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,989.47 : 44,984.19 = 8,929.41 : x
  2. Step 2: Convert to fraction form
    29,989.47/44,984.19 = 8,929.41/x
  3. Step 3: Cross multiply
    29,989.47x = 44,984.19 × 8,929.41
  4. Step 4: Simplify right side
    29,989.47x = 401,682,276.03
  5. Step 5: Solve for x
    x = 401,682,276.03/29,989.47
  6. Step 6: Final answer
    x = 13,394.11

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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.