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Finding the Fourth Proportional to 1,593.76, 2,391.58 and 669.26

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Solution

The fourth proportional to 1,593.76, 2,391.58 and 669.26 is: 1,004.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,593.76 : 2,391.58 = 669.26 : x
  2. Step 2: Convert to fraction form
    1,593.76/2,391.58 = 669.26/x
  3. Step 3: Cross multiply
    1,593.76x = 2,391.58 × 669.26
  4. Step 4: Simplify right side
    1,593.76x = 1,600,588.83
  5. Step 5: Solve for x
    x = 1,600,588.83/1,593.76
  6. Step 6: Final answer
    x = 1,004.28

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.