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Finding the Fourth Proportional to 2,745.50, 4,098.50 and 2,351.23

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Solution

The fourth proportional to 2,745.50, 4,098.50 and 2,351.23 is: 3,509.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.50 : 4,098.50 = 2,351.23 : x
  2. Step 2: Convert to fraction form
    2,745.50/4,098.50 = 2,351.23/x
  3. Step 3: Cross multiply
    2,745.50x = 4,098.50 × 2,351.23
  4. Step 4: Simplify right side
    2,745.50x = 9,636,502.97
  5. Step 5: Solve for x
    x = 9,636,502.97/2,745.50
  6. Step 6: Final answer
    x = 3,509.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.