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Finding the Fourth Proportional to 1,060.53, 1,462.50 and 745.70

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Solution

The fourth proportional to 1,060.53, 1,462.50 and 745.70 is: 1,028.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.53 : 1,462.50 = 745.70 : x
  2. Step 2: Convert to fraction form
    1,060.53/1,462.50 = 745.70/x
  3. Step 3: Cross multiply
    1,060.53x = 1,462.50 × 745.70
  4. Step 4: Simplify right side
    1,060.53x = 1,090,578.94
  5. Step 5: Solve for x
    x = 1,090,578.94/1,060.53
  6. Step 6: Final answer
    x = 1,028.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.