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Finding the Fourth Proportional to 1,738.12, 2,398.62 and 952.18

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Solution

The fourth proportional to 1,738.12, 2,398.62 and 952.18 is: 1,314.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738.12 : 2,398.62 = 952.18 : x
  2. Step 2: Convert to fraction form
    1,738.12/2,398.62 = 952.18/x
  3. Step 3: Cross multiply
    1,738.12x = 2,398.62 × 952.18
  4. Step 4: Simplify right side
    1,738.12x = 2,283,917.99
  5. Step 5: Solve for x
    x = 2,283,917.99/1,738.12
  6. Step 6: Final answer
    x = 1,314.02

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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.