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Finding the Fourth Proportional to 1,372.89, 2,057.98 and 593.07

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Solution

The fourth proportional to 1,372.89, 2,057.98 and 593.07 is: 889.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372.89 : 2,057.98 = 593.07 : x
  2. Step 2: Convert to fraction form
    1,372.89/2,057.98 = 593.07/x
  3. Step 3: Cross multiply
    1,372.89x = 2,057.98 × 593.07
  4. Step 4: Simplify right side
    1,372.89x = 1,220,526.20
  5. Step 5: Solve for x
    x = 1,220,526.20/1,372.89
  6. Step 6: Final answer
    x = 889.02

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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.