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Finding the Fourth Proportional to 3,093.88, 4,267.38 and 1,973.64

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Solution

The fourth proportional to 3,093.88, 4,267.38 and 1,973.64 is: 2,722.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,093.88 : 4,267.38 = 1,973.64 : x
  2. Step 2: Convert to fraction form
    3,093.88/4,267.38 = 1,973.64/x
  3. Step 3: Cross multiply
    3,093.88x = 4,267.38 × 1,973.64
  4. Step 4: Simplify right side
    3,093.88x = 8,422,271.86
  5. Step 5: Solve for x
    x = 8,422,271.86/3,093.88
  6. Step 6: Final answer
    x = 2,722.24

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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.