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Finding the Fourth Proportional to 29,989.53, 44,984.51 and 11,273.80

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Solution

The fourth proportional to 29,989.53, 44,984.51 and 11,273.80 is: 16,910.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,989.53 : 44,984.51 = 11,273.80 : x
  2. Step 2: Convert to fraction form
    29,989.53/44,984.51 = 11,273.80/x
  3. Step 3: Cross multiply
    29,989.53x = 44,984.51 × 11,273.80
  4. Step 4: Simplify right side
    29,989.53x = 507,146,368.84
  5. Step 5: Solve for x
    x = 507,146,368.84/29,989.53
  6. Step 6: Final answer
    x = 16,910.78

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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.