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Finding the Fourth Proportional to 936.46, 1,292.06 and 750.34

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Solution

The fourth proportional to 936.46, 1,292.06 and 750.34 is: 1,035.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    936.46 : 1,292.06 = 750.34 : x
  2. Step 2: Convert to fraction form
    936.46/1,292.06 = 750.34/x
  3. Step 3: Cross multiply
    936.46x = 1,292.06 × 750.34
  4. Step 4: Simplify right side
    936.46x = 969,484.30
  5. Step 5: Solve for x
    x = 969,484.30/936.46
  6. Step 6: Final answer
    x = 1,035.27

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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.