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Finding the Fourth Proportional to 2,216.66, 3,055.63 and 1,823.00

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Solution

The fourth proportional to 2,216.66, 3,055.63 and 1,823.00 is: 2,512.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.66 : 3,055.63 = 1,823.00 : x
  2. Step 2: Convert to fraction form
    2,216.66/3,055.63 = 1,823.00/x
  3. Step 3: Cross multiply
    2,216.66x = 3,055.63 × 1,823.00
  4. Step 4: Simplify right side
    2,216.66x = 5,570,393.65
  5. Step 5: Solve for x
    x = 5,570,393.65/2,216.66
  6. Step 6: Final answer
    x = 2,512.97

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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.