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Finding the Fourth Proportional to 937.64, 1,293.93 and 539.37

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Solution

The fourth proportional to 937.64, 1,293.93 and 539.37 is: 744.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.64 : 1,293.93 = 539.37 : x
  2. Step 2: Convert to fraction form
    937.64/1,293.93 = 539.37/x
  3. Step 3: Cross multiply
    937.64x = 1,293.93 × 539.37
  4. Step 4: Simplify right side
    937.64x = 697,907.02
  5. Step 5: Solve for x
    x = 697,907.02/937.64
  6. Step 6: Final answer
    x = 744.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.