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Finding the Fourth Proportional to 1,062.21, 1,593.33 and 368.91

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Solution

The fourth proportional to 1,062.21, 1,593.33 and 368.91 is: 553.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.21 : 1,593.33 = 368.91 : x
  2. Step 2: Convert to fraction form
    1,062.21/1,593.33 = 368.91/x
  3. Step 3: Cross multiply
    1,062.21x = 1,593.33 × 368.91
  4. Step 4: Simplify right side
    1,062.21x = 587,795.37
  5. Step 5: Solve for x
    x = 587,795.37/1,062.21
  6. Step 6: Final answer
    x = 553.37

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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.