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Finding the Fourth Proportional to 26,393.62, 39,590.93 and 8,624.33

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Solution

The fourth proportional to 26,393.62, 39,590.93 and 8,624.33 is: 12,936.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,393.62 : 39,590.93 = 8,624.33 : x
  2. Step 2: Convert to fraction form
    26,393.62/39,590.93 = 8,624.33/x
  3. Step 3: Cross multiply
    26,393.62x = 39,590.93 × 8,624.33
  4. Step 4: Simplify right side
    26,393.62x = 341,445,245.33
  5. Step 5: Solve for x
    x = 341,445,245.33/26,393.62
  6. Step 6: Final answer
    x = 12,936.66

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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.