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Finding the Fourth Proportional to 9,795.88, 14,668.80 and 5,408.44

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Solution

The fourth proportional to 9,795.88, 14,668.80 and 5,408.44 is: 8,098.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,795.88 : 14,668.80 = 5,408.44 : x
  2. Step 2: Convert to fraction form
    9,795.88/14,668.80 = 5,408.44/x
  3. Step 3: Cross multiply
    9,795.88x = 14,668.80 × 5,408.44
  4. Step 4: Simplify right side
    9,795.88x = 79,335,324.67
  5. Step 5: Solve for x
    x = 79,335,324.67/9,795.88
  6. Step 6: Final answer
    x = 8,098.85

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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.