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Finding the Fourth Proportional to 1,703.72, 2,553.26 and 1,533.03

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Solution

The fourth proportional to 1,703.72, 2,553.26 and 1,533.03 is: 2,297.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703.72 : 2,553.26 = 1,533.03 : x
  2. Step 2: Convert to fraction form
    1,703.72/2,553.26 = 1,533.03/x
  3. Step 3: Cross multiply
    1,703.72x = 2,553.26 × 1,533.03
  4. Step 4: Simplify right side
    1,703.72x = 3,914,216.51
  5. Step 5: Solve for x
    x = 3,914,216.51/1,703.72
  6. Step 6: Final answer
    x = 2,297.46

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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.