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Finding the Fourth Proportional to 74,590.74, 111,886.11 and 27,847.26

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Solution

The fourth proportional to 74,590.74, 111,886.11 and 27,847.26 is: 41,770.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,590.74 : 111,886.11 = 27,847.26 : x
  2. Step 2: Convert to fraction form
    74,590.74/111,886.11 = 27,847.26/x
  3. Step 3: Cross multiply
    74,590.74x = 111,886.11 × 27,847.26
  4. Step 4: Simplify right side
    74,590.74x = 3,115,721,595.56
  5. Step 5: Solve for x
    x = 3,115,721,595.56/74,590.74
  6. Step 6: Final answer
    x = 41,770.89

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Double scale
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Similar ratio
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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.