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Finding the Fourth Proportional to 3,335.54, 4,603.22 and 1,919.44

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Solution

The fourth proportional to 3,335.54, 4,603.22 and 1,919.44 is: 2,648.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335.54 : 4,603.22 = 1,919.44 : x
  2. Step 2: Convert to fraction form
    3,335.54/4,603.22 = 1,919.44/x
  3. Step 3: Cross multiply
    3,335.54x = 4,603.22 × 1,919.44
  4. Step 4: Simplify right side
    3,335.54x = 8,835,616.10
  5. Step 5: Solve for x
    x = 8,835,616.10/3,335.54
  6. Step 6: Final answer
    x = 2,648.93

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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.