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Finding the Fourth Proportional to 1,760.70, 2,649.50 and 1,450.58

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Solution

The fourth proportional to 1,760.70, 2,649.50 and 1,450.58 is: 2,182.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760.70 : 2,649.50 = 1,450.58 : x
  2. Step 2: Convert to fraction form
    1,760.70/2,649.50 = 1,450.58/x
  3. Step 3: Cross multiply
    1,760.70x = 2,649.50 × 1,450.58
  4. Step 4: Simplify right side
    1,760.70x = 3,843,316.96
  5. Step 5: Solve for x
    x = 3,843,316.96/1,760.70
  6. Step 6: Final answer
    x = 2,182.84

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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.