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Finding the Fourth Proportional to 17,627.10, 26,431.98 and 8,732.16

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Solution

The fourth proportional to 17,627.10, 26,431.98 and 8,732.16 is: 13,093.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,627.10 : 26,431.98 = 8,732.16 : x
  2. Step 2: Convert to fraction form
    17,627.10/26,431.98 = 8,732.16/x
  3. Step 3: Cross multiply
    17,627.10x = 26,431.98 × 8,732.16
  4. Step 4: Simplify right side
    17,627.10x = 230,808,278.48
  5. Step 5: Solve for x
    x = 230,808,278.48/17,627.10
  6. Step 6: Final answer
    x = 13,093.95

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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.