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Finding the Fourth Proportional to 4,879.04, 6,733.07 and 2,640.93

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Solution

The fourth proportional to 4,879.04, 6,733.07 and 2,640.93 is: 3,644.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.04 : 6,733.07 = 2,640.93 : x
  2. Step 2: Convert to fraction form
    4,879.04/6,733.07 = 2,640.93/x
  3. Step 3: Cross multiply
    4,879.04x = 6,733.07 × 2,640.93
  4. Step 4: Simplify right side
    4,879.04x = 17,781,553.35
  5. Step 5: Solve for x
    x = 17,781,553.35/4,879.04
  6. Step 6: Final answer
    x = 3,644.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.