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Finding the Fourth Proportional to 2,944.04, 4,415.58 and 891.56

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Solution

The fourth proportional to 2,944.04, 4,415.58 and 891.56 is: 1,337.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,944.04 : 4,415.58 = 891.56 : x
  2. Step 2: Convert to fraction form
    2,944.04/4,415.58 = 891.56/x
  3. Step 3: Cross multiply
    2,944.04x = 4,415.58 × 891.56
  4. Step 4: Simplify right side
    2,944.04x = 3,936,754.50
  5. Step 5: Solve for x
    x = 3,936,754.50/2,944.04
  6. Step 6: Final answer
    x = 1,337.19

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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.