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Finding the Fourth Proportional to 8,992.35, 13,488.50 and 2,418.54

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Solution

The fourth proportional to 8,992.35, 13,488.50 and 2,418.54 is: 3,627.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,992.35 : 13,488.50 = 2,418.54 : x
  2. Step 2: Convert to fraction form
    8,992.35/13,488.50 = 2,418.54/x
  3. Step 3: Cross multiply
    8,992.35x = 13,488.50 × 2,418.54
  4. Step 4: Simplify right side
    8,992.35x = 32,622,476.79
  5. Step 5: Solve for x
    x = 32,622,476.79/8,992.35
  6. Step 6: Final answer
    x = 3,627.80

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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.