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Finding the Fourth Proportional to 36,777.60, 55,166.40 and 27,446.40

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Solution

The fourth proportional to 36,777.60, 55,166.40 and 27,446.40 is: 41,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,777.60 : 55,166.40 = 27,446.40 : x
  2. Step 2: Convert to fraction form
    36,777.60/55,166.40 = 27,446.40/x
  3. Step 3: Cross multiply
    36,777.60x = 55,166.40 × 27,446.40
  4. Step 4: Simplify right side
    36,777.60x = 1,514,119,080.96
  5. Step 5: Solve for x
    x = 1,514,119,080.96/36,777.60
  6. Step 6: Final answer
    x = 41,169.60

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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.