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Finding the Fourth Proportional to 12,797.92, 19,193.14 and 4,476.40

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Solution

The fourth proportional to 12,797.92, 19,193.14 and 4,476.40 is: 6,713.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,797.92 : 19,193.14 = 4,476.40 : x
  2. Step 2: Convert to fraction form
    12,797.92/19,193.14 = 4,476.40/x
  3. Step 3: Cross multiply
    12,797.92x = 19,193.14 × 4,476.40
  4. Step 4: Simplify right side
    12,797.92x = 85,916,171.90
  5. Step 5: Solve for x
    x = 85,916,171.90/12,797.92
  6. Step 6: Final answer
    x = 6,713.29

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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.