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Finding the Fourth Proportional to 66,082.50, 99,104.31 and 19,324.26

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Solution

The fourth proportional to 66,082.50, 99,104.31 and 19,324.26 is: 28,980.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,082.50 : 99,104.31 = 19,324.26 : x
  2. Step 2: Convert to fraction form
    66,082.50/99,104.31 = 19,324.26/x
  3. Step 3: Cross multiply
    66,082.50x = 99,104.31 × 19,324.26
  4. Step 4: Simplify right side
    66,082.50x = 1,915,117,453.56
  5. Step 5: Solve for x
    x = 1,915,117,453.56/66,082.50
  6. Step 6: Final answer
    x = 28,980.71

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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.