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Finding the Fourth Proportional to 6,893.62, 10,380.97 and 4,959.34

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Solution

The fourth proportional to 6,893.62, 10,380.97 and 4,959.34 is: 7,468.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,893.62 : 10,380.97 = 4,959.34 : x
  2. Step 2: Convert to fraction form
    6,893.62/10,380.97 = 4,959.34/x
  3. Step 3: Cross multiply
    6,893.62x = 10,380.97 × 4,959.34
  4. Step 4: Simplify right side
    6,893.62x = 51,482,759.76
  5. Step 5: Solve for x
    x = 51,482,759.76/6,893.62
  6. Step 6: Final answer
    x = 7,468.17

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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.