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Finding the Fourth Proportional to 1,452.48, 2,004.72 and 955.92

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Solution

The fourth proportional to 1,452.48, 2,004.72 and 955.92 is: 1,319.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452.48 : 2,004.72 = 955.92 : x
  2. Step 2: Convert to fraction form
    1,452.48/2,004.72 = 955.92/x
  3. Step 3: Cross multiply
    1,452.48x = 2,004.72 × 955.92
  4. Step 4: Simplify right side
    1,452.48x = 1,916,351.94
  5. Step 5: Solve for x
    x = 1,916,351.94/1,452.48
  6. Step 6: Final answer
    x = 1,319.37

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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.