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Finding the Fourth Proportional to 19,751.62, 29,629.01 and 6,604.06

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Solution

The fourth proportional to 19,751.62, 29,629.01 and 6,604.06 is: 9,906.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,751.62 : 29,629.01 = 6,604.06 : x
  2. Step 2: Convert to fraction form
    19,751.62/29,629.01 = 6,604.06/x
  3. Step 3: Cross multiply
    19,751.62x = 29,629.01 × 6,604.06
  4. Step 4: Simplify right side
    19,751.62x = 195,671,759.78
  5. Step 5: Solve for x
    x = 195,671,759.78/19,751.62
  6. Step 6: Final answer
    x = 9,906.62

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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.