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Finding the Fourth Proportional to 2,588.00, 3,881.45 and 738.62

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Solution

The fourth proportional to 2,588.00, 3,881.45 and 738.62 is: 1,107.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588.00 : 3,881.45 = 738.62 : x
  2. Step 2: Convert to fraction form
    2,588.00/3,881.45 = 738.62/x
  3. Step 3: Cross multiply
    2,588.00x = 3,881.45 × 738.62
  4. Step 4: Simplify right side
    2,588.00x = 2,866,893.50
  5. Step 5: Solve for x
    x = 2,866,893.50/2,588.00
  6. Step 6: Final answer
    x = 1,107.77

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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.