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Finding the Fourth Proportional to 3,453.42, 4,764.50 and 2,656.99

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Solution

The fourth proportional to 3,453.42, 4,764.50 and 2,656.99 is: 3,665.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.42 : 4,764.50 = 2,656.99 : x
  2. Step 2: Convert to fraction form
    3,453.42/4,764.50 = 2,656.99/x
  3. Step 3: Cross multiply
    3,453.42x = 4,764.50 × 2,656.99
  4. Step 4: Simplify right side
    3,453.42x = 12,659,228.86
  5. Step 5: Solve for x
    x = 12,659,228.86/3,453.42
  6. Step 6: Final answer
    x = 3,665.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.