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Finding the Fourth Proportional to 48,344.99, 72,520.92 and 20,260.94

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Solution

The fourth proportional to 48,344.99, 72,520.92 and 20,260.94 is: 30,392.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,344.99 : 72,520.92 = 20,260.94 : x
  2. Step 2: Convert to fraction form
    48,344.99/72,520.92 = 20,260.94/x
  3. Step 3: Cross multiply
    48,344.99x = 72,520.92 × 20,260.94
  4. Step 4: Simplify right side
    48,344.99x = 1,469,341,646.26
  5. Step 5: Solve for x
    x = 1,469,341,646.26/48,344.99
  6. Step 6: Final answer
    x = 30,392.85

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1.5x scale

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.