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Finding the Fourth Proportional to 1,059.76, 1,462.98 and 745.69

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Solution

The fourth proportional to 1,059.76, 1,462.98 and 745.69 is: 1,029.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059.76 : 1,462.98 = 745.69 : x
  2. Step 2: Convert to fraction form
    1,059.76/1,462.98 = 745.69/x
  3. Step 3: Cross multiply
    1,059.76x = 1,462.98 × 745.69
  4. Step 4: Simplify right side
    1,059.76x = 1,090,929.56
  5. Step 5: Solve for x
    x = 1,090,929.56/1,059.76
  6. Step 6: Final answer
    x = 1,029.41

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