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Finding the Fourth Proportional to 36,058.60, 54,087.90 and 19,469.80

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Solution

The fourth proportional to 36,058.60, 54,087.90 and 19,469.80 is: 29,204.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,058.60 : 54,087.90 = 19,469.80 : x
  2. Step 2: Convert to fraction form
    36,058.60/54,087.90 = 19,469.80/x
  3. Step 3: Cross multiply
    36,058.60x = 54,087.90 × 19,469.80
  4. Step 4: Simplify right side
    36,058.60x = 1,053,080,595.42
  5. Step 5: Solve for x
    x = 1,053,080,595.42/36,058.60
  6. Step 6: Final answer
    x = 29,204.70

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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.