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Finding the Fourth Proportional to 48,590.20, 72,917.70 and 27,530.20

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Solution

The fourth proportional to 48,590.20, 72,917.70 and 27,530.20 is: 41,313.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,590.20 : 72,917.70 = 27,530.20 : x
  2. Step 2: Convert to fraction form
    48,590.20/72,917.70 = 27,530.20/x
  3. Step 3: Cross multiply
    48,590.20x = 72,917.70 × 27,530.20
  4. Step 4: Simplify right side
    48,590.20x = 2,007,438,864.54
  5. Step 5: Solve for x
    x = 2,007,438,864.54/48,590.20
  6. Step 6: Final answer
    x = 41,313.66

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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.