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Finding the Fourth Proportional to 2,553.84, 3,830.76 and 704.97

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Solution

The fourth proportional to 2,553.84, 3,830.76 and 704.97 is: 1,057.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.84 : 3,830.76 = 704.97 : x
  2. Step 2: Convert to fraction form
    2,553.84/3,830.76 = 704.97/x
  3. Step 3: Cross multiply
    2,553.84x = 3,830.76 × 704.97
  4. Step 4: Simplify right side
    2,553.84x = 2,700,570.88
  5. Step 5: Solve for x
    x = 2,700,570.88/2,553.84
  6. Step 6: Final answer
    x = 1,057.46

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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.