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Finding the Fourth Proportional to 6,745.74, 10,118.10 and 2,849.76

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Solution

The fourth proportional to 6,745.74, 10,118.10 and 2,849.76 is: 4,274.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,745.74 : 10,118.10 = 2,849.76 : x
  2. Step 2: Convert to fraction form
    6,745.74/10,118.10 = 2,849.76/x
  3. Step 3: Cross multiply
    6,745.74x = 10,118.10 × 2,849.76
  4. Step 4: Simplify right side
    6,745.74x = 28,834,156.66
  5. Step 5: Solve for x
    x = 28,834,156.66/6,745.74
  6. Step 6: Final answer
    x = 4,274.42

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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.