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Finding the Fourth Proportional to 3,994.61, 5,992.32 and 1,531.50

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Solution

The fourth proportional to 3,994.61, 5,992.32 and 1,531.50 is: 2,297.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.61 : 5,992.32 = 1,531.50 : x
  2. Step 2: Convert to fraction form
    3,994.61/5,992.32 = 1,531.50/x
  3. Step 3: Cross multiply
    3,994.61x = 5,992.32 × 1,531.50
  4. Step 4: Simplify right side
    3,994.61x = 9,177,238.08
  5. Step 5: Solve for x
    x = 9,177,238.08/3,994.61
  6. Step 6: Final answer
    x = 2,297.41

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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.