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Finding the Fourth Proportional to 38,843.60, 53,609.16 and 26,267.60

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Solution

The fourth proportional to 38,843.60, 53,609.16 and 26,267.60 is: 36,252.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,843.60 : 53,609.16 = 26,267.60 : x
  2. Step 2: Convert to fraction form
    38,843.60/53,609.16 = 26,267.60/x
  3. Step 3: Cross multiply
    38,843.60x = 53,609.16 × 26,267.60
  4. Step 4: Simplify right side
    38,843.60x = 1,408,183,971.22
  5. Step 5: Solve for x
    x = 1,408,183,971.22/38,843.60
  6. Step 6: Final answer
    x = 36,252.66

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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.