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Finding the Fourth Proportional to 2,497.84, 3,739.20 and 2,006.80

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Solution

The fourth proportional to 2,497.84, 3,739.20 and 2,006.80 is: 3,004.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,497.84 : 3,739.20 = 2,006.80 : x
  2. Step 2: Convert to fraction form
    2,497.84/3,739.20 = 2,006.80/x
  3. Step 3: Cross multiply
    2,497.84x = 3,739.20 × 2,006.80
  4. Step 4: Simplify right side
    2,497.84x = 7,503,826.56
  5. Step 5: Solve for x
    x = 7,503,826.56/2,497.84
  6. Step 6: Final answer
    x = 3,004.13

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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.