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Finding the Fourth Proportional to 6,452.86, 8,885.07 and 5,651.56

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Solution

The fourth proportional to 6,452.86, 8,885.07 and 5,651.56 is: 7,781.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,452.86 : 8,885.07 = 5,651.56 : x
  2. Step 2: Convert to fraction form
    6,452.86/8,885.07 = 5,651.56/x
  3. Step 3: Cross multiply
    6,452.86x = 8,885.07 × 5,651.56
  4. Step 4: Simplify right side
    6,452.86x = 50,214,506.21
  5. Step 5: Solve for x
    x = 50,214,506.21/6,452.86
  6. Step 6: Final answer
    x = 7,781.74

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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.