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Finding the Fourth Proportional to 2,083.93, 3,125.94 and 623.11

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Solution

The fourth proportional to 2,083.93, 3,125.94 and 623.11 is: 934.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.93 : 3,125.94 = 623.11 : x
  2. Step 2: Convert to fraction form
    2,083.93/3,125.94 = 623.11/x
  3. Step 3: Cross multiply
    2,083.93x = 3,125.94 × 623.11
  4. Step 4: Simplify right side
    2,083.93x = 1,947,804.47
  5. Step 5: Solve for x
    x = 1,947,804.47/2,083.93
  6. Step 6: Final answer
    x = 934.68

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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.