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Finding the Fourth Proportional to 6,396.21, 9,601.65 and 6,031.71

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Solution

The fourth proportional to 6,396.21, 9,601.65 and 6,031.71 is: 9,054.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,396.21 : 9,601.65 = 6,031.71 : x
  2. Step 2: Convert to fraction form
    6,396.21/9,601.65 = 6,031.71/x
  3. Step 3: Cross multiply
    6,396.21x = 9,601.65 × 6,031.71
  4. Step 4: Simplify right side
    6,396.21x = 57,914,368.32
  5. Step 5: Solve for x
    x = 57,914,368.32/6,396.21
  6. Step 6: Final answer
    x = 9,054.48

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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.