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Finding the Fourth Proportional to 48,103.92, 72,163.06 and 14,821.20

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Solution

The fourth proportional to 48,103.92, 72,163.06 and 14,821.20 is: 22,234.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,103.92 : 72,163.06 = 14,821.20 : x
  2. Step 2: Convert to fraction form
    48,103.92/72,163.06 = 14,821.20/x
  3. Step 3: Cross multiply
    48,103.92x = 72,163.06 × 14,821.20
  4. Step 4: Simplify right side
    48,103.92x = 1,069,543,144.87
  5. Step 5: Solve for x
    x = 1,069,543,144.87/48,103.92
  6. Step 6: Final answer
    x = 22,234.01

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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.