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Finding the Fourth Proportional to 6,626.05, 9,939.54 and 1,695.74

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Solution

The fourth proportional to 6,626.05, 9,939.54 and 1,695.74 is: 2,543.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,626.05 : 9,939.54 = 1,695.74 : x
  2. Step 2: Convert to fraction form
    6,626.05/9,939.54 = 1,695.74/x
  3. Step 3: Cross multiply
    6,626.05x = 9,939.54 × 1,695.74
  4. Step 4: Simplify right side
    6,626.05x = 16,854,817.91
  5. Step 5: Solve for x
    x = 16,854,817.91/6,626.05
  6. Step 6: Final answer
    x = 2,543.72

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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.