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Finding the Fourth Proportional to 8,616.19, 12,924.23 and 3,354.86

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Solution

The fourth proportional to 8,616.19, 12,924.23 and 3,354.86 is: 5,032.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,616.19 : 12,924.23 = 3,354.86 : x
  2. Step 2: Convert to fraction form
    8,616.19/12,924.23 = 3,354.86/x
  3. Step 3: Cross multiply
    8,616.19x = 12,924.23 × 3,354.86
  4. Step 4: Simplify right side
    8,616.19x = 43,358,958.33
  5. Step 5: Solve for x
    x = 43,358,958.33/8,616.19
  6. Step 6: Final answer
    x = 5,032.27

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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.