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Finding the Fourth Proportional to 2,223.77, 3,336.12 and 837.08

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Solution

The fourth proportional to 2,223.77, 3,336.12 and 837.08 is: 1,255.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.77 : 3,336.12 = 837.08 : x
  2. Step 2: Convert to fraction form
    2,223.77/3,336.12 = 837.08/x
  3. Step 3: Cross multiply
    2,223.77x = 3,336.12 × 837.08
  4. Step 4: Simplify right side
    2,223.77x = 2,792,599.33
  5. Step 5: Solve for x
    x = 2,792,599.33/2,223.77
  6. Step 6: Final answer
    x = 1,255.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.