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Finding the Fourth Proportional to 3,777.52, 5,672.76 and 2,047.36

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Solution

The fourth proportional to 3,777.52, 5,672.76 and 2,047.36 is: 3,074.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.52 : 5,672.76 = 2,047.36 : x
  2. Step 2: Convert to fraction form
    3,777.52/5,672.76 = 2,047.36/x
  3. Step 3: Cross multiply
    3,777.52x = 5,672.76 × 2,047.36
  4. Step 4: Simplify right side
    3,777.52x = 11,614,181.91
  5. Step 5: Solve for x
    x = 11,614,181.91/3,777.52
  6. Step 6: Final answer
    x = 3,074.55

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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.