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Finding the Fourth Proportional to 19,082.25, 26,333.51 and 11,630.25

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Solution

The fourth proportional to 19,082.25, 26,333.51 and 11,630.25 is: 16,049.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,082.25 : 26,333.51 = 11,630.25 : x
  2. Step 2: Convert to fraction form
    19,082.25/26,333.51 = 11,630.25/x
  3. Step 3: Cross multiply
    19,082.25x = 26,333.51 × 11,630.25
  4. Step 4: Simplify right side
    19,082.25x = 306,265,246.53
  5. Step 5: Solve for x
    x = 306,265,246.53/19,082.25
  6. Step 6: Final answer
    x = 16,049.75

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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.