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Finding the Fourth Proportional to 3,223.74, 4,448.61 and 1,826.22

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Solution

The fourth proportional to 3,223.74, 4,448.61 and 1,826.22 is: 2,520.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,223.74 : 4,448.61 = 1,826.22 : x
  2. Step 2: Convert to fraction form
    3,223.74/4,448.61 = 1,826.22/x
  3. Step 3: Cross multiply
    3,223.74x = 4,448.61 × 1,826.22
  4. Step 4: Simplify right side
    3,223.74x = 8,124,140.55
  5. Step 5: Solve for x
    x = 8,124,140.55/3,223.74
  6. Step 6: Final answer
    x = 2,520.10

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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.