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Finding the Fourth Proportional to 4,822.79, 7,235.15 and 2,049.44

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Solution

The fourth proportional to 4,822.79, 7,235.15 and 2,049.44 is: 3,074.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,822.79 : 7,235.15 = 2,049.44 : x
  2. Step 2: Convert to fraction form
    4,822.79/7,235.15 = 2,049.44/x
  3. Step 3: Cross multiply
    4,822.79x = 7,235.15 × 2,049.44
  4. Step 4: Simplify right side
    4,822.79x = 14,828,005.82
  5. Step 5: Solve for x
    x = 14,828,005.82/4,822.79
  6. Step 6: Final answer
    x = 3,074.57

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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.