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Finding the Fourth Proportional to 11,994.58, 17,987.88 and 4,201.54

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Solution

The fourth proportional to 11,994.58, 17,987.88 and 4,201.54 is: 6,300.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,994.58 : 17,987.88 = 4,201.54 : x
  2. Step 2: Convert to fraction form
    11,994.58/17,987.88 = 4,201.54/x
  3. Step 3: Cross multiply
    11,994.58x = 17,987.88 × 4,201.54
  4. Step 4: Simplify right side
    11,994.58x = 75,576,797.34
  5. Step 5: Solve for x
    x = 75,576,797.34/11,994.58
  6. Step 6: Final answer
    x = 6,300.91

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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.