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Finding the Fourth Proportional to 48,651.94, 73,000.59 and 47,865.70

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Solution

The fourth proportional to 48,651.94, 73,000.59 and 47,865.70 is: 71,820.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,651.94 : 73,000.59 = 47,865.70 : x
  2. Step 2: Convert to fraction form
    48,651.94/73,000.59 = 47,865.70/x
  3. Step 3: Cross multiply
    48,651.94x = 73,000.59 × 47,865.70
  4. Step 4: Simplify right side
    48,651.94x = 3,494,224,340.76
  5. Step 5: Solve for x
    x = 3,494,224,340.76/48,651.94
  6. Step 6: Final answer
    x = 71,820.86

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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.