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Finding the Fourth Proportional to 1,351.29, 2,026.02 and 529.05

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Solution

The fourth proportional to 1,351.29, 2,026.02 and 529.05 is: 793.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351.29 : 2,026.02 = 529.05 : x
  2. Step 2: Convert to fraction form
    1,351.29/2,026.02 = 529.05/x
  3. Step 3: Cross multiply
    1,351.29x = 2,026.02 × 529.05
  4. Step 4: Simplify right side
    1,351.29x = 1,071,865.88
  5. Step 5: Solve for x
    x = 1,071,865.88/1,351.29
  6. Step 6: Final answer
    x = 793.22

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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.