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Finding the Fourth Proportional to 19,755.57, 29,627.19 and 6,604.89

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Solution

The fourth proportional to 19,755.57, 29,627.19 and 6,604.89 is: 9,905.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,755.57 : 29,627.19 = 6,604.89 : x
  2. Step 2: Convert to fraction form
    19,755.57/29,627.19 = 6,604.89/x
  3. Step 3: Cross multiply
    19,755.57x = 29,627.19 × 6,604.89
  4. Step 4: Simplify right side
    19,755.57x = 195,684,330.96
  5. Step 5: Solve for x
    x = 195,684,330.96/19,755.57
  6. Step 6: Final answer
    x = 9,905.27

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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.