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Finding the Fourth Proportional to 17,659.64, 26,476.64 and 8,294.84

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Solution

The fourth proportional to 17,659.64, 26,476.64 and 8,294.84 is: 12,436.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,659.64 : 26,476.64 = 8,294.84 : x
  2. Step 2: Convert to fraction form
    17,659.64/26,476.64 = 8,294.84/x
  3. Step 3: Cross multiply
    17,659.64x = 26,476.64 × 8,294.84
  4. Step 4: Simplify right side
    17,659.64x = 219,619,492.54
  5. Step 5: Solve for x
    x = 219,619,492.54/17,659.64
  6. Step 6: Final answer
    x = 12,436.24

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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.