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Finding the Fourth Proportional to 36,158.40, 54,232.60 and 11,215.60

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Solution

The fourth proportional to 36,158.40, 54,232.60 and 11,215.60 is: 16,821.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,158.40 : 54,232.60 = 11,215.60 : x
  2. Step 2: Convert to fraction form
    36,158.40/54,232.60 = 11,215.60/x
  3. Step 3: Cross multiply
    36,158.40x = 54,232.60 × 11,215.60
  4. Step 4: Simplify right side
    36,158.40x = 608,251,148.56
  5. Step 5: Solve for x
    x = 608,251,148.56/36,158.40
  6. Step 6: Final answer
    x = 16,821.85

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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.