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Finding the Fourth Proportional to 1,893.78, 2,840.36 and 594.95

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Solution

The fourth proportional to 1,893.78, 2,840.36 and 594.95 is: 892.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893.78 : 2,840.36 = 594.95 : x
  2. Step 2: Convert to fraction form
    1,893.78/2,840.36 = 594.95/x
  3. Step 3: Cross multiply
    1,893.78x = 2,840.36 × 594.95
  4. Step 4: Simplify right side
    1,893.78x = 1,689,855.01
  5. Step 5: Solve for x
    x = 1,689,855.01/1,893.78
  6. Step 6: Final answer
    x = 892.32

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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.