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Finding the Fourth Proportional to 18,895.92, 26,082.48 and 16,902.96

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Solution

The fourth proportional to 18,895.92, 26,082.48 and 16,902.96 is: 23,331.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,895.92 : 26,082.48 = 16,902.96 : x
  2. Step 2: Convert to fraction form
    18,895.92/26,082.48 = 16,902.96/x
  3. Step 3: Cross multiply
    18,895.92x = 26,082.48 × 16,902.96
  4. Step 4: Simplify right side
    18,895.92x = 440,871,116.14
  5. Step 5: Solve for x
    x = 440,871,116.14/18,895.92
  6. Step 6: Final answer
    x = 23,331.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.