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Finding the Fourth Proportional to 2,222.70, 3,065.01 and 1,551.27

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Solution

The fourth proportional to 2,222.70, 3,065.01 and 1,551.27 is: 2,139.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222.70 : 3,065.01 = 1,551.27 : x
  2. Step 2: Convert to fraction form
    2,222.70/3,065.01 = 1,551.27/x
  3. Step 3: Cross multiply
    2,222.70x = 3,065.01 × 1,551.27
  4. Step 4: Simplify right side
    2,222.70x = 4,754,658.06
  5. Step 5: Solve for x
    x = 4,754,658.06/2,222.70
  6. Step 6: Final answer
    x = 2,139.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.