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Finding the Fourth Proportional to 4,932.89, 6,805.34 and 3,230.90

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Solution

The fourth proportional to 4,932.89, 6,805.34 and 3,230.90 is: 4,457.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,932.89 : 6,805.34 = 3,230.90 : x
  2. Step 2: Convert to fraction form
    4,932.89/6,805.34 = 3,230.90/x
  3. Step 3: Cross multiply
    4,932.89x = 6,805.34 × 3,230.90
  4. Step 4: Simplify right side
    4,932.89x = 21,987,373.86
  5. Step 5: Solve for x
    x = 21,987,373.86/4,932.89
  6. Step 6: Final answer
    x = 4,457.30

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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.