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Finding the Fourth Proportional to 737.37, 1,017.67 and 675.09

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Solution

The fourth proportional to 737.37, 1,017.67 and 675.09 is: 931.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    737.37 : 1,017.67 = 675.09 : x
  2. Step 2: Convert to fraction form
    737.37/1,017.67 = 675.09/x
  3. Step 3: Cross multiply
    737.37x = 1,017.67 × 675.09
  4. Step 4: Simplify right side
    737.37x = 687,010.38
  5. Step 5: Solve for x
    x = 687,010.38/737.37
  6. Step 6: Final answer
    x = 931.71

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1.5x scale

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.