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Finding the Fourth Proportional to 36,182.70, 54,281.79 and 11,222.20

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Solution

The fourth proportional to 36,182.70, 54,281.79 and 11,222.20 is: 16,835.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,182.70 : 54,281.79 = 11,222.20 : x
  2. Step 2: Convert to fraction form
    36,182.70/54,281.79 = 11,222.20/x
  3. Step 3: Cross multiply
    36,182.70x = 54,281.79 × 11,222.20
  4. Step 4: Simplify right side
    36,182.70x = 609,161,103.74
  5. Step 5: Solve for x
    x = 609,161,103.74/36,182.70
  6. Step 6: Final answer
    x = 16,835.70

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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.