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Finding the Fourth Proportional to 17,084.64, 25,609.26 and 8,308.64

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Solution

The fourth proportional to 17,084.64, 25,609.26 and 8,308.64 is: 12,454.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,084.64 : 25,609.26 = 8,308.64 : x
  2. Step 2: Convert to fraction form
    17,084.64/25,609.26 = 8,308.64/x
  3. Step 3: Cross multiply
    17,084.64x = 25,609.26 × 8,308.64
  4. Step 4: Simplify right side
    17,084.64x = 212,778,122.01
  5. Step 5: Solve for x
    x = 212,778,122.01/17,084.64
  6. Step 6: Final answer
    x = 12,454.35

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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.