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Finding the Fourth Proportional to 17,616.87, 26,431.08 and 6,524.39

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Solution

The fourth proportional to 17,616.87, 26,431.08 and 6,524.39 is: 9,788.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,616.87 : 26,431.08 = 6,524.39 : x
  2. Step 2: Convert to fraction form
    17,616.87/26,431.08 = 6,524.39/x
  3. Step 3: Cross multiply
    17,616.87x = 26,431.08 × 6,524.39
  4. Step 4: Simplify right side
    17,616.87x = 172,446,541.89
  5. Step 5: Solve for x
    x = 172,446,541.89/17,616.87
  6. Step 6: Final answer
    x = 9,788.72

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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.