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Finding the Fourth Proportional to 4,865.83, 7,297.20 and 1,578.24

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Solution

The fourth proportional to 4,865.83, 7,297.20 and 1,578.24 is: 2,366.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,865.83 : 7,297.20 = 1,578.24 : x
  2. Step 2: Convert to fraction form
    4,865.83/7,297.20 = 1,578.24/x
  3. Step 3: Cross multiply
    4,865.83x = 7,297.20 × 1,578.24
  4. Step 4: Simplify right side
    4,865.83x = 11,516,732.93
  5. Step 5: Solve for x
    x = 11,516,732.93/4,865.83
  6. Step 6: Final answer
    x = 2,366.86

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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.