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Finding the Fourth Proportional to 937.98, 1,293.98 and 701.53

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Solution

The fourth proportional to 937.98, 1,293.98 and 701.53 is: 967.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.98 : 1,293.98 = 701.53 : x
  2. Step 2: Convert to fraction form
    937.98/1,293.98 = 701.53/x
  3. Step 3: Cross multiply
    937.98x = 1,293.98 × 701.53
  4. Step 4: Simplify right side
    937.98x = 907,759.05
  5. Step 5: Solve for x
    x = 907,759.05/937.98
  6. Step 6: Final answer
    x = 967.78

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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.