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Finding the Fourth Proportional to 1,825.70, 2,739.15 and 593.15

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Solution

The fourth proportional to 1,825.70, 2,739.15 and 593.15 is: 889.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.70 : 2,739.15 = 593.15 : x
  2. Step 2: Convert to fraction form
    1,825.70/2,739.15 = 593.15/x
  3. Step 3: Cross multiply
    1,825.70x = 2,739.15 × 593.15
  4. Step 4: Simplify right side
    1,825.70x = 1,624,713.13
  5. Step 5: Solve for x
    x = 1,624,713.13/1,825.70
  6. Step 6: Final answer
    x = 889.91

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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.