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Finding the Fourth Proportional to 48,166.20, 72,227.70 and 18,574.20

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Solution

The fourth proportional to 48,166.20, 72,227.70 and 18,574.20 is: 27,852.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,166.20 : 72,227.70 = 18,574.20 : x
  2. Step 2: Convert to fraction form
    48,166.20/72,227.70 = 18,574.20/x
  3. Step 3: Cross multiply
    48,166.20x = 72,227.70 × 18,574.20
  4. Step 4: Simplify right side
    48,166.20x = 1,341,571,745.34
  5. Step 5: Solve for x
    x = 1,341,571,745.34/48,166.20
  6. Step 6: Final answer
    x = 27,852.97

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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.