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Finding the Fourth Proportional to 4,763.43, 6,613.13 and 4,620.87

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Solution

The fourth proportional to 4,763.43, 6,613.13 and 4,620.87 is: 6,415.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,763.43 : 6,613.13 = 4,620.87 : x
  2. Step 2: Convert to fraction form
    4,763.43/6,613.13 = 4,620.87/x
  3. Step 3: Cross multiply
    4,763.43x = 6,613.13 × 4,620.87
  4. Step 4: Simplify right side
    4,763.43x = 30,558,390.92
  5. Step 5: Solve for x
    x = 30,558,390.92/4,763.43
  6. Step 6: Final answer
    x = 6,415.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.