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Finding the Fourth Proportional to 1,059.93, 1,453.05 and 1,042.92

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Solution

The fourth proportional to 1,059.93, 1,453.05 and 1,042.92 is: 1,429.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059.93 : 1,453.05 = 1,042.92 : x
  2. Step 2: Convert to fraction form
    1,059.93/1,453.05 = 1,042.92/x
  3. Step 3: Cross multiply
    1,059.93x = 1,453.05 × 1,042.92
  4. Step 4: Simplify right side
    1,059.93x = 1,515,414.91
  5. Step 5: Solve for x
    x = 1,515,414.91/1,059.93
  6. Step 6: Final answer
    x = 1,429.73

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.