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Finding the Fourth Proportional to 1,059.73, 1,462.41 and 587.63

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Solution

The fourth proportional to 1,059.73, 1,462.41 and 587.63 is: 810.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059.73 : 1,462.41 = 587.63 : x
  2. Step 2: Convert to fraction form
    1,059.73/1,462.41 = 587.63/x
  3. Step 3: Cross multiply
    1,059.73x = 1,462.41 × 587.63
  4. Step 4: Simplify right side
    1,059.73x = 859,348.68
  5. Step 5: Solve for x
    x = 859,348.68/1,059.73
  6. Step 6: Final answer
    x = 810.91

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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.