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Finding the Fourth Proportional to 1,996.58, 2,994.47 and 535.75

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Solution

The fourth proportional to 1,996.58, 2,994.47 and 535.75 is: 803.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.58 : 2,994.47 = 535.75 : x
  2. Step 2: Convert to fraction form
    1,996.58/2,994.47 = 535.75/x
  3. Step 3: Cross multiply
    1,996.58x = 2,994.47 × 535.75
  4. Step 4: Simplify right side
    1,996.58x = 1,604,279.15
  5. Step 5: Solve for x
    x = 1,604,279.15/1,996.58
  6. Step 6: Final answer
    x = 803.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.