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Finding the Fourth Proportional to 5,967.99, 8,235.86 and 3,315.42

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Solution

The fourth proportional to 5,967.99, 8,235.86 and 3,315.42 is: 4,575.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,967.99 : 8,235.86 = 3,315.42 : x
  2. Step 2: Convert to fraction form
    5,967.99/8,235.86 = 3,315.42/x
  3. Step 3: Cross multiply
    5,967.99x = 8,235.86 × 3,315.42
  4. Step 4: Simplify right side
    5,967.99x = 27,305,318.38
  5. Step 5: Solve for x
    x = 27,305,318.38/5,967.99
  6. Step 6: Final answer
    x = 4,575.30

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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.