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Finding the Fourth Proportional to 36,557.70, 54,836.55 and 18,125.70

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Solution

The fourth proportional to 36,557.70, 54,836.55 and 18,125.70 is: 27,188.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,557.70 : 54,836.55 = 18,125.70 : x
  2. Step 2: Convert to fraction form
    36,557.70/54,836.55 = 18,125.70/x
  3. Step 3: Cross multiply
    36,557.70x = 54,836.55 × 18,125.70
  4. Step 4: Simplify right side
    36,557.70x = 993,950,854.34
  5. Step 5: Solve for x
    x = 993,950,854.34/36,557.70
  6. Step 6: Final answer
    x = 27,188.55

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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.