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Finding the Fourth Proportional to 1,756.70, 2,635.03 and 524.96

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Solution

The fourth proportional to 1,756.70, 2,635.03 and 524.96 is: 787.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756.70 : 2,635.03 = 524.96 : x
  2. Step 2: Convert to fraction form
    1,756.70/2,635.03 = 524.96/x
  3. Step 3: Cross multiply
    1,756.70x = 2,635.03 × 524.96
  4. Step 4: Simplify right side
    1,756.70x = 1,383,282.72
  5. Step 5: Solve for x
    x = 1,383,282.72/1,756.70
  6. Step 6: Final answer
    x = 787.43

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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.