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Finding the Fourth Proportional to 1,027.38, 1,538.54 and 593.94

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Solution

The fourth proportional to 1,027.38, 1,538.54 and 593.94 is: 889.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027.38 : 1,538.54 = 593.94 : x
  2. Step 2: Convert to fraction form
    1,027.38/1,538.54 = 593.94/x
  3. Step 3: Cross multiply
    1,027.38x = 1,538.54 × 593.94
  4. Step 4: Simplify right side
    1,027.38x = 913,800.45
  5. Step 5: Solve for x
    x = 913,800.45/1,027.38
  6. Step 6: Final answer
    x = 889.45

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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.