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Finding the Fourth Proportional to 2,996.96, 4,503 and 1,901.84

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Solution

The fourth proportional to 2,996.96, 4,503 and 1,901.84 is: 2,857.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996.96 : 4,503 = 1,901.84 : x
  2. Step 2: Convert to fraction form
    2,996.96/4,503 = 1,901.84/x
  3. Step 3: Cross multiply
    2,996.96x = 4,503 × 1,901.84
  4. Step 4: Simplify right side
    2,996.96x = 8,563,985.52
  5. Step 5: Solve for x
    x = 8,563,985.52/2,996.96
  6. Step 6: Final answer
    x = 2,857.56

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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.