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Finding the Fourth Proportional to 16,861.77, 25,266.00 and 10,928.17

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Solution

The fourth proportional to 16,861.77, 25,266.00 and 10,928.17 is: 16,374.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,861.77 : 25,266.00 = 10,928.17 : x
  2. Step 2: Convert to fraction form
    16,861.77/25,266.00 = 10,928.17/x
  3. Step 3: Cross multiply
    16,861.77x = 25,266.00 × 10,928.17
  4. Step 4: Simplify right side
    16,861.77x = 276,111,042.93
  5. Step 5: Solve for x
    x = 276,111,042.93/16,861.77
  6. Step 6: Final answer
    x = 16,374.97

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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.