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Finding the Fourth Proportional to 2,661.44, 3,674.08 and 1,826.56

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Solution

The fourth proportional to 2,661.44, 3,674.08 and 1,826.56 is: 2,521.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661.44 : 3,674.08 = 1,826.56 : x
  2. Step 2: Convert to fraction form
    2,661.44/3,674.08 = 1,826.56/x
  3. Step 3: Cross multiply
    2,661.44x = 3,674.08 × 1,826.56
  4. Step 4: Simplify right side
    2,661.44x = 6,710,927.56
  5. Step 5: Solve for x
    x = 6,710,927.56/2,661.44
  6. Step 6: Final answer
    x = 2,521.54

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1.5x scale

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.