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Finding the Fourth Proportional to 1,063.38, 1,593.36 and 1,023.42

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Solution

The fourth proportional to 1,063.38, 1,593.36 and 1,023.42 is: 1,533.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.38 : 1,593.36 = 1,023.42 : x
  2. Step 2: Convert to fraction form
    1,063.38/1,593.36 = 1,023.42/x
  3. Step 3: Cross multiply
    1,063.38x = 1,593.36 × 1,023.42
  4. Step 4: Simplify right side
    1,063.38x = 1,630,676.49
  5. Step 5: Solve for x
    x = 1,630,676.49/1,063.38
  6. Step 6: Final answer
    x = 1,533.48

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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.