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Finding the Fourth Proportional to 17,861.56, 26,792.88 and 8,502.57

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Solution

The fourth proportional to 17,861.56, 26,792.88 and 8,502.57 is: 12,754.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,861.56 : 26,792.88 = 8,502.57 : x
  2. Step 2: Convert to fraction form
    17,861.56/26,792.88 = 8,502.57/x
  3. Step 3: Cross multiply
    17,861.56x = 26,792.88 × 8,502.57
  4. Step 4: Simplify right side
    17,861.56x = 227,808,305.82
  5. Step 5: Solve for x
    x = 227,808,305.82/17,861.56
  6. Step 6: Final answer
    x = 12,754.11

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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.