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Finding the Fourth Proportional to 50,006.70, 74,998.05 and 28,901.10

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Solution

The fourth proportional to 50,006.70, 74,998.05 and 28,901.10 is: 43,344.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,006.70 : 74,998.05 = 28,901.10 : x
  2. Step 2: Convert to fraction form
    50,006.70/74,998.05 = 28,901.10/x
  3. Step 3: Cross multiply
    50,006.70x = 74,998.05 × 28,901.10
  4. Step 4: Simplify right side
    50,006.70x = 2,167,526,142.86
  5. Step 5: Solve for x
    x = 2,167,526,142.86/50,006.70
  6. Step 6: Final answer
    x = 43,344.71

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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.