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Finding the Fourth Proportional to 2,651.53, 3,660.09 and 2,277.00

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Solution

The fourth proportional to 2,651.53, 3,660.09 and 2,277.00 is: 3,143.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.53 : 3,660.09 = 2,277.00 : x
  2. Step 2: Convert to fraction form
    2,651.53/3,660.09 = 2,277.00/x
  3. Step 3: Cross multiply
    2,651.53x = 3,660.09 × 2,277.00
  4. Step 4: Simplify right side
    2,651.53x = 8,334,047.19
  5. Step 5: Solve for x
    x = 8,334,047.19/2,651.53
  6. Step 6: Final answer
    x = 3,143.11

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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.