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Finding the Fourth Proportional to 81,754.98, 122,632.52 and 22,590.70

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Solution

The fourth proportional to 81,754.98, 122,632.52 and 22,590.70 is: 33,886.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,754.98 : 122,632.52 = 22,590.70 : x
  2. Step 2: Convert to fraction form
    81,754.98/122,632.52 = 22,590.70/x
  3. Step 3: Cross multiply
    81,754.98x = 122,632.52 × 22,590.70
  4. Step 4: Simplify right side
    81,754.98x = 2,770,354,594.62
  5. Step 5: Solve for x
    x = 2,770,354,594.62/81,754.98
  6. Step 6: Final answer
    x = 33,886.07

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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.