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Finding the Fourth Proportional to 1,874.00, 2,580.32 and 1,606.43

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Solution

The fourth proportional to 1,874.00, 2,580.32 and 1,606.43 is: 2,211.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874.00 : 2,580.32 = 1,606.43 : x
  2. Step 2: Convert to fraction form
    1,874.00/2,580.32 = 1,606.43/x
  3. Step 3: Cross multiply
    1,874.00x = 2,580.32 × 1,606.43
  4. Step 4: Simplify right side
    1,874.00x = 4,145,113.92
  5. Step 5: Solve for x
    x = 4,145,113.92/1,874.00
  6. Step 6: Final answer
    x = 2,211.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.