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Finding the Fourth Proportional to 1,879.70, 2,594.30 and 1,094.21

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Solution

The fourth proportional to 1,879.70, 2,594.30 and 1,094.21 is: 1,510.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879.70 : 2,594.30 = 1,094.21 : x
  2. Step 2: Convert to fraction form
    1,879.70/2,594.30 = 1,094.21/x
  3. Step 3: Cross multiply
    1,879.70x = 2,594.30 × 1,094.21
  4. Step 4: Simplify right side
    1,879.70x = 2,838,690.56
  5. Step 5: Solve for x
    x = 2,838,690.56/1,879.70
  6. Step 6: Final answer
    x = 1,510.19

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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.