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Finding the Fourth Proportional to 36,519.66, 54,779.55 and 8,817.66

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Solution

The fourth proportional to 36,519.66, 54,779.55 and 8,817.66 is: 13,226.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,519.66 : 54,779.55 = 8,817.66 : x
  2. Step 2: Convert to fraction form
    36,519.66/54,779.55 = 8,817.66/x
  3. Step 3: Cross multiply
    36,519.66x = 54,779.55 × 8,817.66
  4. Step 4: Simplify right side
    36,519.66x = 483,027,446.85
  5. Step 5: Solve for x
    x = 483,027,446.85/36,519.66
  6. Step 6: Final answer
    x = 13,226.50

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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.