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Finding the Fourth Proportional to 1,793.40, 2,671.61 and 1,739.00

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Solution

The fourth proportional to 1,793.40, 2,671.61 and 1,739.00 is: 2,590.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,793.40 : 2,671.61 = 1,739.00 : x
  2. Step 2: Convert to fraction form
    1,793.40/2,671.61 = 1,739.00/x
  3. Step 3: Cross multiply
    1,793.40x = 2,671.61 × 1,739.00
  4. Step 4: Simplify right side
    1,793.40x = 4,645,907.74
  5. Step 5: Solve for x
    x = 4,645,907.74/1,793.40
  6. Step 6: Final answer
    x = 2,590.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.