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Finding the Fourth Proportional to 6,626.31, 9,939.45 and 1,695.95

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Solution

The fourth proportional to 6,626.31, 9,939.45 and 1,695.95 is: 2,543.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,626.31 : 9,939.45 = 1,695.95 : x
  2. Step 2: Convert to fraction form
    6,626.31/9,939.45 = 1,695.95/x
  3. Step 3: Cross multiply
    6,626.31x = 9,939.45 × 1,695.95
  4. Step 4: Simplify right side
    6,626.31x = 16,856,760.53
  5. Step 5: Solve for x
    x = 16,856,760.53/6,626.31
  6. Step 6: Final answer
    x = 2,543.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.