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Finding the Fourth Proportional to 1,738.16, 2,398.66 and 952.20

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Solution

The fourth proportional to 1,738.16, 2,398.66 and 952.20 is: 1,314.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738.16 : 2,398.66 = 952.20 : x
  2. Step 2: Convert to fraction form
    1,738.16/2,398.66 = 952.20/x
  3. Step 3: Cross multiply
    1,738.16x = 2,398.66 × 952.20
  4. Step 4: Simplify right side
    1,738.16x = 2,284,004.05
  5. Step 5: Solve for x
    x = 2,284,004.05/1,738.16
  6. Step 6: Final answer
    x = 1,314.04

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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.