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Finding the Fourth Proportional to 48,910.80, 67,530.60 and 36,166.80

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Solution

The fourth proportional to 48,910.80, 67,530.60 and 36,166.80 is: 49,935.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,910.80 : 67,530.60 = 36,166.80 : x
  2. Step 2: Convert to fraction form
    48,910.80/67,530.60 = 36,166.80/x
  3. Step 3: Cross multiply
    48,910.80x = 67,530.60 × 36,166.80
  4. Step 4: Simplify right side
    48,910.80x = 2,442,365,704.08
  5. Step 5: Solve for x
    x = 2,442,365,704.08/48,910.80
  6. Step 6: Final answer
    x = 49,935.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.