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Finding the Fourth Proportional to 2,996.54, 4,494.60 and 1,265

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Solution

The fourth proportional to 2,996.54, 4,494.60 and 1,265 is: 1,897.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996.54 : 4,494.60 = 1,265 : x
  2. Step 2: Convert to fraction form
    2,996.54/4,494.60 = 1,265/x
  3. Step 3: Cross multiply
    2,996.54x = 4,494.60 × 1,265
  4. Step 4: Simplify right side
    2,996.54x = 5,685,669
  5. Step 5: Solve for x
    x = 5,685,669/2,996.54
  6. Step 6: Final answer
    x = 1,897.41

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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.