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Finding the Fourth Proportional to 4,879.51, 6,733.73 and 2,641.41

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Solution

The fourth proportional to 4,879.51, 6,733.73 and 2,641.41 is: 3,645.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.51 : 6,733.73 = 2,641.41 : x
  2. Step 2: Convert to fraction form
    4,879.51/6,733.73 = 2,641.41/x
  3. Step 3: Cross multiply
    4,879.51x = 6,733.73 × 2,641.41
  4. Step 4: Simplify right side
    4,879.51x = 17,786,548.36
  5. Step 5: Solve for x
    x = 17,786,548.36/4,879.51
  6. Step 6: Final answer
    x = 3,645.15

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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.