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Finding the Fourth Proportional to 50,562.55, 75,856.04 and 18,972.87

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Solution

The fourth proportional to 50,562.55, 75,856.04 and 18,972.87 is: 28,463.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,562.55 : 75,856.04 = 18,972.87 : x
  2. Step 2: Convert to fraction form
    50,562.55/75,856.04 = 18,972.87/x
  3. Step 3: Cross multiply
    50,562.55x = 75,856.04 × 18,972.87
  4. Step 4: Simplify right side
    50,562.55x = 1,439,206,785.63
  5. Step 5: Solve for x
    x = 1,439,206,785.63/50,562.55
  6. Step 6: Final answer
    x = 28,463.89

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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.