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Finding the Fourth Proportional to 6,694.01, 9,237.80 and 3,709.91

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Solution

The fourth proportional to 6,694.01, 9,237.80 and 3,709.91 is: 5,119.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,694.01 : 9,237.80 = 3,709.91 : x
  2. Step 2: Convert to fraction form
    6,694.01/9,237.80 = 3,709.91/x
  3. Step 3: Cross multiply
    6,694.01x = 9,237.80 × 3,709.91
  4. Step 4: Simplify right side
    6,694.01x = 34,271,341.86
  5. Step 5: Solve for x
    x = 34,271,341.86/6,694.01
  6. Step 6: Final answer
    x = 5,119.71

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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.