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Finding the Fourth Proportional to 1,675, 2,512.53 and 701.11

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Solution

The fourth proportional to 1,675, 2,512.53 and 701.11 is: 1,051.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675 : 2,512.53 = 701.11 : x
  2. Step 2: Convert to fraction form
    1,675/2,512.53 = 701.11/x
  3. Step 3: Cross multiply
    1,675x = 2,512.53 × 701.11
  4. Step 4: Simplify right side
    1,675x = 1,761,559.91
  5. Step 5: Solve for x
    x = 1,761,559.91/1,675
  6. Step 6: Final answer
    x = 1,051.68

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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.