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Finding the Fourth Proportional to 2,326.73, 3,210.91 and 1,264.50

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Solution

The fourth proportional to 2,326.73, 3,210.91 and 1,264.50 is: 1,745.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,326.73 : 3,210.91 = 1,264.50 : x
  2. Step 2: Convert to fraction form
    2,326.73/3,210.91 = 1,264.50/x
  3. Step 3: Cross multiply
    2,326.73x = 3,210.91 × 1,264.50
  4. Step 4: Simplify right side
    2,326.73x = 4,060,195.70
  5. Step 5: Solve for x
    x = 4,060,195.70/2,326.73
  6. Step 6: Final answer
    x = 1,745.02

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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.