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Finding the Fourth Proportional to 1,762.97, 2,433.04 and 1,174.50

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Solution

The fourth proportional to 1,762.97, 2,433.04 and 1,174.50 is: 1,620.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762.97 : 2,433.04 = 1,174.50 : x
  2. Step 2: Convert to fraction form
    1,762.97/2,433.04 = 1,174.50/x
  3. Step 3: Cross multiply
    1,762.97x = 2,433.04 × 1,174.50
  4. Step 4: Simplify right side
    1,762.97x = 2,857,602.54
  5. Step 5: Solve for x
    x = 2,857,602.54/1,762.97
  6. Step 6: Final answer
    x = 1,620.91

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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.