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Finding the Fourth Proportional to 746.52, 1,125.75 and 736.26

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Solution

The fourth proportional to 746.52, 1,125.75 and 736.26 is: 1,110.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    746.52 : 1,125.75 = 736.26 : x
  2. Step 2: Convert to fraction form
    746.52/1,125.75 = 736.26/x
  3. Step 3: Cross multiply
    746.52x = 1,125.75 × 736.26
  4. Step 4: Simplify right side
    746.52x = 828,847.46
  5. Step 5: Solve for x
    x = 828,847.46/746.52
  6. Step 6: Final answer
    x = 1,110.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.