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Finding the Fourth Proportional to 1,762.92, 2,433.24 and 1,133.28

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Solution

The fourth proportional to 1,762.92, 2,433.24 and 1,133.28 is: 1,564.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762.92 : 2,433.24 = 1,133.28 : x
  2. Step 2: Convert to fraction form
    1,762.92/2,433.24 = 1,133.28/x
  3. Step 3: Cross multiply
    1,762.92x = 2,433.24 × 1,133.28
  4. Step 4: Simplify right side
    1,762.92x = 2,757,542.23
  5. Step 5: Solve for x
    x = 2,757,542.23/1,762.92
  6. Step 6: Final answer
    x = 1,564.19

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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.