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Finding the Fourth Proportional to 4,259.12, 6,393 and 3,027.92

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Solution

The fourth proportional to 4,259.12, 6,393 and 3,027.92 is: 4,544.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.12 : 6,393 = 3,027.92 : x
  2. Step 2: Convert to fraction form
    4,259.12/6,393 = 3,027.92/x
  3. Step 3: Cross multiply
    4,259.12x = 6,393 × 3,027.92
  4. Step 4: Simplify right side
    4,259.12x = 19,357,492.56
  5. Step 5: Solve for x
    x = 19,357,492.56/4,259.12
  6. Step 6: Final answer
    x = 4,544.95

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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.