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Finding the Fourth Proportional to 1,052.96, 1,579.84 and 475.44

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Solution

The fourth proportional to 1,052.96, 1,579.84 and 475.44 is: 713.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052.96 : 1,579.84 = 475.44 : x
  2. Step 2: Convert to fraction form
    1,052.96/1,579.84 = 475.44/x
  3. Step 3: Cross multiply
    1,052.96x = 1,579.84 × 475.44
  4. Step 4: Simplify right side
    1,052.96x = 751,119.13
  5. Step 5: Solve for x
    x = 751,119.13/1,052.96
  6. Step 6: Final answer
    x = 713.34

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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.