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Finding the Fourth Proportional to 1,576.36, 2,364.42 and 882.58

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Solution

The fourth proportional to 1,576.36, 2,364.42 and 882.58 is: 1,323.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576.36 : 2,364.42 = 882.58 : x
  2. Step 2: Convert to fraction form
    1,576.36/2,364.42 = 882.58/x
  3. Step 3: Cross multiply
    1,576.36x = 2,364.42 × 882.58
  4. Step 4: Simplify right side
    1,576.36x = 2,086,789.80
  5. Step 5: Solve for x
    x = 2,086,789.80/1,576.36
  6. Step 6: Final answer
    x = 1,323.80

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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.