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Finding the Fourth Proportional to 1,264.60, 1,893.29 and 1,004.96

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Solution

The fourth proportional to 1,264.60, 1,893.29 and 1,004.96 is: 1,504.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264.60 : 1,893.29 = 1,004.96 : x
  2. Step 2: Convert to fraction form
    1,264.60/1,893.29 = 1,004.96/x
  3. Step 3: Cross multiply
    1,264.60x = 1,893.29 × 1,004.96
  4. Step 4: Simplify right side
    1,264.60x = 1,902,680.72
  5. Step 5: Solve for x
    x = 1,902,680.72/1,264.60
  6. Step 6: Final answer
    x = 1,504.57

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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.