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Finding the Fourth Proportional to 57,843.60, 86,722.20 and 24,536.40

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Solution

The fourth proportional to 57,843.60, 86,722.20 and 24,536.40 is: 36,786.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,843.60 : 86,722.20 = 24,536.40 : x
  2. Step 2: Convert to fraction form
    57,843.60/86,722.20 = 24,536.40/x
  3. Step 3: Cross multiply
    57,843.60x = 86,722.20 × 24,536.40
  4. Step 4: Simplify right side
    57,843.60x = 2,127,850,588.08
  5. Step 5: Solve for x
    x = 2,127,850,588.08/57,843.60
  6. Step 6: Final answer
    x = 36,786.28

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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.