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Finding the Fourth Proportional to 8,404.56, 12,606.84 and 3,468.79

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Solution

The fourth proportional to 8,404.56, 12,606.84 and 3,468.79 is: 5,203.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,404.56 : 12,606.84 = 3,468.79 : x
  2. Step 2: Convert to fraction form
    8,404.56/12,606.84 = 3,468.79/x
  3. Step 3: Cross multiply
    8,404.56x = 12,606.84 × 3,468.79
  4. Step 4: Simplify right side
    8,404.56x = 43,730,496.28
  5. Step 5: Solve for x
    x = 43,730,496.28/8,404.56
  6. Step 6: Final answer
    x = 5,203.19

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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.