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Finding the Fourth Proportional to 6,396.29, 8,801.30 and 4,903.64

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Solution

The fourth proportional to 6,396.29, 8,801.30 and 4,903.64 is: 6,747.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,396.29 : 8,801.30 = 4,903.64 : x
  2. Step 2: Convert to fraction form
    6,396.29/8,801.30 = 4,903.64/x
  3. Step 3: Cross multiply
    6,396.29x = 8,801.30 × 4,903.64
  4. Step 4: Simplify right side
    6,396.29x = 43,158,382.21
  5. Step 5: Solve for x
    x = 43,158,382.21/6,396.29
  6. Step 6: Final answer
    x = 6,747.41

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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.