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Finding the Fourth Proportional to 6,049.47, 8,347.65 and 3,396.86

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Solution

The fourth proportional to 6,049.47, 8,347.65 and 3,396.86 is: 4,687.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,049.47 : 8,347.65 = 3,396.86 : x
  2. Step 2: Convert to fraction form
    6,049.47/8,347.65 = 3,396.86/x
  3. Step 3: Cross multiply
    6,049.47x = 8,347.65 × 3,396.86
  4. Step 4: Simplify right side
    6,049.47x = 28,355,798.38
  5. Step 5: Solve for x
    x = 28,355,798.38/6,049.47
  6. Step 6: Final answer
    x = 4,687.32

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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.