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Finding the Fourth Proportional to 936.33, 1,292.68 and 832.52

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Solution

The fourth proportional to 936.33, 1,292.68 and 832.52 is: 1,149.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    936.33 : 1,292.68 = 832.52 : x
  2. Step 2: Convert to fraction form
    936.33/1,292.68 = 832.52/x
  3. Step 3: Cross multiply
    936.33x = 1,292.68 × 832.52
  4. Step 4: Simplify right side
    936.33x = 1,076,186.23
  5. Step 5: Solve for x
    x = 1,076,186.23/936.33
  6. Step 6: Final answer
    x = 1,149.37

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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.