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Finding the Fourth Proportional to 2,355.89, 3,555.97 and 2,355.89

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Solution

The fourth proportional to 2,355.89, 3,555.97 and 2,355.89 is: 3,555.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.89 : 3,555.97 = 2,355.89 : x
  2. Step 2: Convert to fraction form
    2,355.89/3,555.97 = 2,355.89/x
  3. Step 3: Cross multiply
    2,355.89x = 3,555.97 × 2,355.89
  4. Step 4: Simplify right side
    2,355.89x = 8,377,450.49
  5. Step 5: Solve for x
    x = 8,377,450.49/2,355.89
  6. Step 6: Final answer
    x = 3,555.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.