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Finding the Fourth Proportional to 3,672.37, 5,508.53 and 899.08

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Solution

The fourth proportional to 3,672.37, 5,508.53 and 899.08 is: 1,348.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672.37 : 5,508.53 = 899.08 : x
  2. Step 2: Convert to fraction form
    3,672.37/5,508.53 = 899.08/x
  3. Step 3: Cross multiply
    3,672.37x = 5,508.53 × 899.08
  4. Step 4: Simplify right side
    3,672.37x = 4,952,609.15
  5. Step 5: Solve for x
    x = 4,952,609.15/3,672.37
  6. Step 6: Final answer
    x = 1,348.61

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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.