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Finding the Fourth Proportional to 1,757.22, 2,636.22 and 524.73

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Solution

The fourth proportional to 1,757.22, 2,636.22 and 524.73 is: 787.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757.22 : 2,636.22 = 524.73 : x
  2. Step 2: Convert to fraction form
    1,757.22/2,636.22 = 524.73/x
  3. Step 3: Cross multiply
    1,757.22x = 2,636.22 × 524.73
  4. Step 4: Simplify right side
    1,757.22x = 1,383,303.72
  5. Step 5: Solve for x
    x = 1,383,303.72/1,757.22
  6. Step 6: Final answer
    x = 787.21

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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.