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Finding the Fourth Proportional to 1,893.63, 2,611.23 and 1,494.64

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Solution

The fourth proportional to 1,893.63, 2,611.23 and 1,494.64 is: 2,061.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893.63 : 2,611.23 = 1,494.64 : x
  2. Step 2: Convert to fraction form
    1,893.63/2,611.23 = 1,494.64/x
  3. Step 3: Cross multiply
    1,893.63x = 2,611.23 × 1,494.64
  4. Step 4: Simplify right side
    1,893.63x = 3,902,831.78
  5. Step 5: Solve for x
    x = 3,902,831.78/1,893.63
  6. Step 6: Final answer
    x = 2,061.03

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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.