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Finding the Fourth Proportional to 6,479.66, 9,718.38 and 1,735.85

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Solution

The fourth proportional to 6,479.66, 9,718.38 and 1,735.85 is: 2,603.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,479.66 : 9,718.38 = 1,735.85 : x
  2. Step 2: Convert to fraction form
    6,479.66/9,718.38 = 1,735.85/x
  3. Step 3: Cross multiply
    6,479.66x = 9,718.38 × 1,735.85
  4. Step 4: Simplify right side
    6,479.66x = 16,869,601.33
  5. Step 5: Solve for x
    x = 16,869,601.33/6,479.66
  6. Step 6: Final answer
    x = 2,603.47

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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.