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Finding the Fourth Proportional to 9,855.52, 13,596.34 and 6,494.04

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Solution

The fourth proportional to 9,855.52, 13,596.34 and 6,494.04 is: 8,958.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,855.52 : 13,596.34 = 6,494.04 : x
  2. Step 2: Convert to fraction form
    9,855.52/13,596.34 = 6,494.04/x
  3. Step 3: Cross multiply
    9,855.52x = 13,596.34 × 6,494.04
  4. Step 4: Simplify right side
    9,855.52x = 88,295,175.81
  5. Step 5: Solve for x
    x = 88,295,175.81/9,855.52
  6. Step 6: Final answer
    x = 8,958.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.