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Finding the Fourth Proportional to 746.20, 1,104.16 and 746.20

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Solution

The fourth proportional to 746.20, 1,104.16 and 746.20 is: 1,104.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    746.20 : 1,104.16 = 746.20 : x
  2. Step 2: Convert to fraction form
    746.20/1,104.16 = 746.20/x
  3. Step 3: Cross multiply
    746.20x = 1,104.16 × 746.20
  4. Step 4: Simplify right side
    746.20x = 823,924.19
  5. Step 5: Solve for x
    x = 823,924.19/746.20
  6. Step 6: Final answer
    x = 1,104.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.