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Finding the Fourth Proportional to 749.54, 1,126.36 and 700.33

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Solution

The fourth proportional to 749.54, 1,126.36 and 700.33 is: 1,052.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    749.54 : 1,126.36 = 700.33 : x
  2. Step 2: Convert to fraction form
    749.54/1,126.36 = 700.33/x
  3. Step 3: Cross multiply
    749.54x = 1,126.36 × 700.33
  4. Step 4: Simplify right side
    749.54x = 788,823.70
  5. Step 5: Solve for x
    x = 788,823.70/749.54
  6. Step 6: Final answer
    x = 1,052.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.