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Finding the Fourth Proportional to 6,151.42, 8,489.04 and 3,356.92

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Solution

The fourth proportional to 6,151.42, 8,489.04 and 3,356.92 is: 4,632.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,151.42 : 8,489.04 = 3,356.92 : x
  2. Step 2: Convert to fraction form
    6,151.42/8,489.04 = 3,356.92/x
  3. Step 3: Cross multiply
    6,151.42x = 8,489.04 × 3,356.92
  4. Step 4: Simplify right side
    6,151.42x = 28,497,028.16
  5. Step 5: Solve for x
    x = 28,497,028.16/6,151.42
  6. Step 6: Final answer
    x = 4,632.59

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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.