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Finding the Fourth Proportional to 29,467.72, 40,679.94 and 23,082.94

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Solution

The fourth proportional to 29,467.72, 40,679.94 and 23,082.94 is: 31,865.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,467.72 : 40,679.94 = 23,082.94 : x
  2. Step 2: Convert to fraction form
    29,467.72/40,679.94 = 23,082.94/x
  3. Step 3: Cross multiply
    29,467.72x = 40,679.94 × 23,082.94
  4. Step 4: Simplify right side
    29,467.72x = 939,012,614.22
  5. Step 5: Solve for x
    x = 939,012,614.22/29,467.72
  6. Step 6: Final answer
    x = 31,865.80

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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.