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Finding the Fourth Proportional to 6,679.95, 9,216.99 and 4,027.53

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Solution

The fourth proportional to 6,679.95, 9,216.99 and 4,027.53 is: 5,557.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679.95 : 9,216.99 = 4,027.53 : x
  2. Step 2: Convert to fraction form
    6,679.95/9,216.99 = 4,027.53/x
  3. Step 3: Cross multiply
    6,679.95x = 9,216.99 × 4,027.53
  4. Step 4: Simplify right side
    6,679.95x = 37,121,703.73
  5. Step 5: Solve for x
    x = 37,121,703.73/6,679.95
  6. Step 6: Final answer
    x = 5,557.18

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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.