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Finding the Fourth Proportional to 4,969.72, 7,454.10 and 2,503.56

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Solution

The fourth proportional to 4,969.72, 7,454.10 and 2,503.56 is: 3,755.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,969.72 : 7,454.10 = 2,503.56 : x
  2. Step 2: Convert to fraction form
    4,969.72/7,454.10 = 2,503.56/x
  3. Step 3: Cross multiply
    4,969.72x = 7,454.10 × 2,503.56
  4. Step 4: Simplify right side
    4,969.72x = 18,661,786.60
  5. Step 5: Solve for x
    x = 18,661,786.60/4,969.72
  6. Step 6: Final answer
    x = 3,755.10

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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.