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Finding the Fourth Proportional to 1,798.26, 2,482.11 and 1,274.46

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Solution

The fourth proportional to 1,798.26, 2,482.11 and 1,274.46 is: 1,759.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798.26 : 2,482.11 = 1,274.46 : x
  2. Step 2: Convert to fraction form
    1,798.26/2,482.11 = 1,274.46/x
  3. Step 3: Cross multiply
    1,798.26x = 2,482.11 × 1,274.46
  4. Step 4: Simplify right side
    1,798.26x = 3,163,349.91
  5. Step 5: Solve for x
    x = 3,163,349.91/1,798.26
  6. Step 6: Final answer
    x = 1,759.12

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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.