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Finding the Fourth Proportional to 3,347.91, 5,018.22 and 2,859.48

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Solution

The fourth proportional to 3,347.91, 5,018.22 and 2,859.48 is: 4,286.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.91 : 5,018.22 = 2,859.48 : x
  2. Step 2: Convert to fraction form
    3,347.91/5,018.22 = 2,859.48/x
  3. Step 3: Cross multiply
    3,347.91x = 5,018.22 × 2,859.48
  4. Step 4: Simplify right side
    3,347.91x = 14,349,499.73
  5. Step 5: Solve for x
    x = 14,349,499.73/3,347.91
  6. Step 6: Final answer
    x = 4,286.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.