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Finding the Fourth Proportional to 8,369.28, 12,602.84 and 6,193.28

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Solution

The fourth proportional to 8,369.28, 12,602.84 and 6,193.28 is: 9,326.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,369.28 : 12,602.84 = 6,193.28 : x
  2. Step 2: Convert to fraction form
    8,369.28/12,602.84 = 6,193.28/x
  3. Step 3: Cross multiply
    8,369.28x = 12,602.84 × 6,193.28
  4. Step 4: Simplify right side
    8,369.28x = 78,052,916.92
  5. Step 5: Solve for x
    x = 78,052,916.92/8,369.28
  6. Step 6: Final answer
    x = 9,326.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.