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Finding the Fourth Proportional to 5,994.60, 8,991.90 and 3,071.30

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Solution

The fourth proportional to 5,994.60, 8,991.90 and 3,071.30 is: 4,606.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,994.60 : 8,991.90 = 3,071.30 : x
  2. Step 2: Convert to fraction form
    5,994.60/8,991.90 = 3,071.30/x
  3. Step 3: Cross multiply
    5,994.60x = 8,991.90 × 3,071.30
  4. Step 4: Simplify right side
    5,994.60x = 27,616,822.47
  5. Step 5: Solve for x
    x = 27,616,822.47/5,994.60
  6. Step 6: Final answer
    x = 4,606.95

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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.