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Finding the Fourth Proportional to 2,015.64, 3,023.94 and 844.99

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Solution

The fourth proportional to 2,015.64, 3,023.94 and 844.99 is: 1,267.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015.64 : 3,023.94 = 844.99 : x
  2. Step 2: Convert to fraction form
    2,015.64/3,023.94 = 844.99/x
  3. Step 3: Cross multiply
    2,015.64x = 3,023.94 × 844.99
  4. Step 4: Simplify right side
    2,015.64x = 2,555,199.06
  5. Step 5: Solve for x
    x = 2,555,199.06/2,015.64
  6. Step 6: Final answer
    x = 1,267.69

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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.