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Finding the Fourth Proportional to 6,346.88, 8,759.52 and 3,553.28

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Solution

The fourth proportional to 6,346.88, 8,759.52 and 3,553.28 is: 4,903.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,346.88 : 8,759.52 = 3,553.28 : x
  2. Step 2: Convert to fraction form
    6,346.88/8,759.52 = 3,553.28/x
  3. Step 3: Cross multiply
    6,346.88x = 8,759.52 × 3,553.28
  4. Step 4: Simplify right side
    6,346.88x = 31,125,027.23
  5. Step 5: Solve for x
    x = 31,125,027.23/6,346.88
  6. Step 6: Final answer
    x = 4,903.99

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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.