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Finding the Fourth Proportional to 4,249.47, 5,859.54 and 2,905.29

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Solution

The fourth proportional to 4,249.47, 5,859.54 and 2,905.29 is: 4,006.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,249.47 : 5,859.54 = 2,905.29 : x
  2. Step 2: Convert to fraction form
    4,249.47/5,859.54 = 2,905.29/x
  3. Step 3: Cross multiply
    4,249.47x = 5,859.54 × 2,905.29
  4. Step 4: Simplify right side
    4,249.47x = 17,023,671.32
  5. Step 5: Solve for x
    x = 17,023,671.32/4,249.47
  6. Step 6: Final answer
    x = 4,006.07

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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.