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Finding the Fourth Proportional to 3,496.86, 4,826.36 and 2,005.79

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Solution

The fourth proportional to 3,496.86, 4,826.36 and 2,005.79 is: 2,768.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,496.86 : 4,826.36 = 2,005.79 : x
  2. Step 2: Convert to fraction form
    3,496.86/4,826.36 = 2,005.79/x
  3. Step 3: Cross multiply
    3,496.86x = 4,826.36 × 2,005.79
  4. Step 4: Simplify right side
    3,496.86x = 9,680,645.51
  5. Step 5: Solve for x
    x = 9,680,645.51/3,496.86
  6. Step 6: Final answer
    x = 2,768.38

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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.