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Finding the Fourth Proportional to 36,635.60, 54,960.60 and 13,261.52

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Solution

The fourth proportional to 36,635.60, 54,960.60 and 13,261.52 is: 19,894.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,635.60 : 54,960.60 = 13,261.52 : x
  2. Step 2: Convert to fraction form
    36,635.60/54,960.60 = 13,261.52/x
  3. Step 3: Cross multiply
    36,635.60x = 54,960.60 × 13,261.52
  4. Step 4: Simplify right side
    36,635.60x = 728,861,096.11
  5. Step 5: Solve for x
    x = 728,861,096.11/36,635.60
  6. Step 6: Final answer
    x = 19,894.89

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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.