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Finding the Fourth Proportional to 4,446.64, 6,670.80 and 1,849.80

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Solution

The fourth proportional to 4,446.64, 6,670.80 and 1,849.80 is: 2,775.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,446.64 : 6,670.80 = 1,849.80 : x
  2. Step 2: Convert to fraction form
    4,446.64/6,670.80 = 1,849.80/x
  3. Step 3: Cross multiply
    4,446.64x = 6,670.80 × 1,849.80
  4. Step 4: Simplify right side
    4,446.64x = 12,339,645.84
  5. Step 5: Solve for x
    x = 12,339,645.84/4,446.64
  6. Step 6: Final answer
    x = 2,775.05

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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.