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Finding the Fourth Proportional to 10,796.56, 14,902.98 and 6,321.75

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Solution

The fourth proportional to 10,796.56, 14,902.98 and 6,321.75 is: 8,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,796.56 : 14,902.98 = 6,321.75 : x
  2. Step 2: Convert to fraction form
    10,796.56/14,902.98 = 6,321.75/x
  3. Step 3: Cross multiply
    10,796.56x = 14,902.98 × 6,321.75
  4. Step 4: Simplify right side
    10,796.56x = 94,212,913.82
  5. Step 5: Solve for x
    x = 94,212,913.82/10,796.56
  6. Step 6: Final answer
    x = 8,726.20

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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.