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Finding the Fourth Proportional to 2,405.58, 3,321.21 and 1,844.98

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Solution

The fourth proportional to 2,405.58, 3,321.21 and 1,844.98 is: 2,547.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405.58 : 3,321.21 = 1,844.98 : x
  2. Step 2: Convert to fraction form
    2,405.58/3,321.21 = 1,844.98/x
  3. Step 3: Cross multiply
    2,405.58x = 3,321.21 × 1,844.98
  4. Step 4: Simplify right side
    2,405.58x = 6,127,566.03
  5. Step 5: Solve for x
    x = 6,127,566.03/2,405.58
  6. Step 6: Final answer
    x = 2,547.23

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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.