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Finding the Fourth Proportional to 2,201.87, 3,300.48 and 1,368.94

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Solution

The fourth proportional to 2,201.87, 3,300.48 and 1,368.94 is: 2,051.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.87 : 3,300.48 = 1,368.94 : x
  2. Step 2: Convert to fraction form
    2,201.87/3,300.48 = 1,368.94/x
  3. Step 3: Cross multiply
    2,201.87x = 3,300.48 × 1,368.94
  4. Step 4: Simplify right side
    2,201.87x = 4,518,159.09
  5. Step 5: Solve for x
    x = 4,518,159.09/2,201.87
  6. Step 6: Final answer
    x = 2,051.96

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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.