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Finding the Fourth Proportional to 26,590.93, 39,883.96 and 8,122.93

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Solution

The fourth proportional to 26,590.93, 39,883.96 and 8,122.93 is: 12,183.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,590.93 : 39,883.96 = 8,122.93 : x
  2. Step 2: Convert to fraction form
    26,590.93/39,883.96 = 8,122.93/x
  3. Step 3: Cross multiply
    26,590.93x = 39,883.96 × 8,122.93
  4. Step 4: Simplify right side
    26,590.93x = 323,974,615.20
  5. Step 5: Solve for x
    x = 323,974,615.20/26,590.93
  6. Step 6: Final answer
    x = 12,183.65

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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.