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Finding the Fourth Proportional to 1,358.52, 2,035.92 and 536.34

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Solution

The fourth proportional to 1,358.52, 2,035.92 and 536.34 is: 803.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358.52 : 2,035.92 = 536.34 : x
  2. Step 2: Convert to fraction form
    1,358.52/2,035.92 = 536.34/x
  3. Step 3: Cross multiply
    1,358.52x = 2,035.92 × 536.34
  4. Step 4: Simplify right side
    1,358.52x = 1,091,945.33
  5. Step 5: Solve for x
    x = 1,091,945.33/1,358.52
  6. Step 6: Final answer
    x = 803.78

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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.