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Finding the Fourth Proportional to 50,059.81, 75,010.65 and 40,654.05

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Solution

The fourth proportional to 50,059.81, 75,010.65 and 40,654.05 is: 60,916.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,059.81 : 75,010.65 = 40,654.05 : x
  2. Step 2: Convert to fraction form
    50,059.81/75,010.65 = 40,654.05/x
  3. Step 3: Cross multiply
    50,059.81x = 75,010.65 × 40,654.05
  4. Step 4: Simplify right side
    50,059.81x = 3,049,486,715.63
  5. Step 5: Solve for x
    x = 3,049,486,715.63/50,059.81
  6. Step 6: Final answer
    x = 60,916.87

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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.