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Finding the Fourth Proportional to 29,403.70, 44,099.07 and 18,842.02

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Solution

The fourth proportional to 29,403.70, 44,099.07 and 18,842.02 is: 28,258.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,403.70 : 44,099.07 = 18,842.02 : x
  2. Step 2: Convert to fraction form
    29,403.70/44,099.07 = 18,842.02/x
  3. Step 3: Cross multiply
    29,403.70x = 44,099.07 × 18,842.02
  4. Step 4: Simplify right side
    29,403.70x = 830,915,558.92
  5. Step 5: Solve for x
    x = 830,915,558.92/29,403.70
  6. Step 6: Final answer
    x = 28,258.88

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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.