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Finding the Fourth Proportional to 2,544.79, 3,817.23 and 1,672.85

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Solution

The fourth proportional to 2,544.79, 3,817.23 and 1,672.85 is: 2,509.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,544.79 : 3,817.23 = 1,672.85 : x
  2. Step 2: Convert to fraction form
    2,544.79/3,817.23 = 1,672.85/x
  3. Step 3: Cross multiply
    2,544.79x = 3,817.23 × 1,672.85
  4. Step 4: Simplify right side
    2,544.79x = 6,385,634.12
  5. Step 5: Solve for x
    x = 6,385,634.12/2,544.79
  6. Step 6: Final answer
    x = 2,509.30

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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.