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Finding the Fourth Proportional to 8,977.44, 13,469.76 and 4,049.40

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Solution

The fourth proportional to 8,977.44, 13,469.76 and 4,049.40 is: 6,075.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977.44 : 13,469.76 = 4,049.40 : x
  2. Step 2: Convert to fraction form
    8,977.44/13,469.76 = 4,049.40/x
  3. Step 3: Cross multiply
    8,977.44x = 13,469.76 × 4,049.40
  4. Step 4: Simplify right side
    8,977.44x = 54,544,446.14
  5. Step 5: Solve for x
    x = 54,544,446.14/8,977.44
  6. Step 6: Final answer
    x = 6,075.72

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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.