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Finding the Fourth Proportional to 17,651.64, 26,469.68 and 8,294.32

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Solution

The fourth proportional to 17,651.64, 26,469.68 and 8,294.32 is: 12,437.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,651.64 : 26,469.68 = 8,294.32 : x
  2. Step 2: Convert to fraction form
    17,651.64/26,469.68 = 8,294.32/x
  3. Step 3: Cross multiply
    17,651.64x = 26,469.68 × 8,294.32
  4. Step 4: Simplify right side
    17,651.64x = 219,547,996.22
  5. Step 5: Solve for x
    x = 219,547,996.22/17,651.64
  6. Step 6: Final answer
    x = 12,437.82

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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.