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Finding the Fourth Proportional to 2,083.04, 3,124.94 and 622.02

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Solution

The fourth proportional to 2,083.04, 3,124.94 and 622.02 is: 933.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.04 : 3,124.94 = 622.02 : x
  2. Step 2: Convert to fraction form
    2,083.04/3,124.94 = 622.02/x
  3. Step 3: Cross multiply
    2,083.04x = 3,124.94 × 622.02
  4. Step 4: Simplify right side
    2,083.04x = 1,943,772.07
  5. Step 5: Solve for x
    x = 1,943,772.07/2,083.04
  6. Step 6: Final answer
    x = 933.14

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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.