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Finding the Fourth Proportional to 8,944.54, 13,418.80 and 2,940.89

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Solution

The fourth proportional to 8,944.54, 13,418.80 and 2,940.89 is: 4,411.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,944.54 : 13,418.80 = 2,940.89 : x
  2. Step 2: Convert to fraction form
    8,944.54/13,418.80 = 2,940.89/x
  3. Step 3: Cross multiply
    8,944.54x = 13,418.80 × 2,940.89
  4. Step 4: Simplify right side
    8,944.54x = 39,463,140.29
  5. Step 5: Solve for x
    x = 39,463,140.29/8,944.54
  6. Step 6: Final answer
    x = 4,411.98

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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.