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Finding the Fourth Proportional to 2,211.00, 3,051.08 and 1,266.71

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Solution

The fourth proportional to 2,211.00, 3,051.08 and 1,266.71 is: 1,748.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.00 : 3,051.08 = 1,266.71 : x
  2. Step 2: Convert to fraction form
    2,211.00/3,051.08 = 1,266.71/x
  3. Step 3: Cross multiply
    2,211.00x = 3,051.08 × 1,266.71
  4. Step 4: Simplify right side
    2,211.00x = 3,864,823.83
  5. Step 5: Solve for x
    x = 3,864,823.83/2,211.00
  6. Step 6: Final answer
    x = 1,748.00

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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.