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Finding the Fourth Proportional to 1,351.48, 2,026.66 and 529.64

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Solution

The fourth proportional to 1,351.48, 2,026.66 and 529.64 is: 794.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351.48 : 2,026.66 = 529.64 : x
  2. Step 2: Convert to fraction form
    1,351.48/2,026.66 = 529.64/x
  3. Step 3: Cross multiply
    1,351.48x = 2,026.66 × 529.64
  4. Step 4: Simplify right side
    1,351.48x = 1,073,400.20
  5. Step 5: Solve for x
    x = 1,073,400.20/1,351.48
  6. Step 6: Final answer
    x = 794.24

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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.