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Finding the Fourth Proportional to 8,613.16, 12,910.51 and 4,452.06

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Solution

The fourth proportional to 8,613.16, 12,910.51 and 4,452.06 is: 6,673.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,613.16 : 12,910.51 = 4,452.06 : x
  2. Step 2: Convert to fraction form
    8,613.16/12,910.51 = 4,452.06/x
  3. Step 3: Cross multiply
    8,613.16x = 12,910.51 × 4,452.06
  4. Step 4: Simplify right side
    8,613.16x = 57,478,365.15
  5. Step 5: Solve for x
    x = 57,478,365.15/8,613.16
  6. Step 6: Final answer
    x = 6,673.32

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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.