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Finding the Fourth Proportional to 2,014.44, 3,021.60 and 553.68

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Solution

The fourth proportional to 2,014.44, 3,021.60 and 553.68 is: 830.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,014.44 : 3,021.60 = 553.68 : x
  2. Step 2: Convert to fraction form
    2,014.44/3,021.60 = 553.68/x
  3. Step 3: Cross multiply
    2,014.44x = 3,021.60 × 553.68
  4. Step 4: Simplify right side
    2,014.44x = 1,672,999.49
  5. Step 5: Solve for x
    x = 1,672,999.49/2,014.44
  6. Step 6: Final answer
    x = 830.50

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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.