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Finding the Fourth Proportional to 5,874.27, 8,812.22 and 1,977.77

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Solution

The fourth proportional to 5,874.27, 8,812.22 and 1,977.77 is: 2,966.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,874.27 : 8,812.22 = 1,977.77 : x
  2. Step 2: Convert to fraction form
    5,874.27/8,812.22 = 1,977.77/x
  3. Step 3: Cross multiply
    5,874.27x = 8,812.22 × 1,977.77
  4. Step 4: Simplify right side
    5,874.27x = 17,428,490.40
  5. Step 5: Solve for x
    x = 17,428,490.40/5,874.27
  6. Step 6: Final answer
    x = 2,966.92

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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.