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Finding the Fourth Proportional to 48,227.80, 72,341.70 and 13,166.20

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Solution

The fourth proportional to 48,227.80, 72,341.70 and 13,166.20 is: 19,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,227.80 : 72,341.70 = 13,166.20 : x
  2. Step 2: Convert to fraction form
    48,227.80/72,341.70 = 13,166.20/x
  3. Step 3: Cross multiply
    48,227.80x = 72,341.70 × 13,166.20
  4. Step 4: Simplify right side
    48,227.80x = 952,465,290.54
  5. Step 5: Solve for x
    x = 952,465,290.54/48,227.80
  6. Step 6: Final answer
    x = 19,749.30

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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.