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Finding the Fourth Proportional to 4,475.49, 6,713.24 and 1,878.44

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Solution

The fourth proportional to 4,475.49, 6,713.24 and 1,878.44 is: 2,817.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,475.49 : 6,713.24 = 1,878.44 : x
  2. Step 2: Convert to fraction form
    4,475.49/6,713.24 = 1,878.44/x
  3. Step 3: Cross multiply
    4,475.49x = 6,713.24 × 1,878.44
  4. Step 4: Simplify right side
    4,475.49x = 12,610,375.59
  5. Step 5: Solve for x
    x = 12,610,375.59/4,475.49
  6. Step 6: Final answer
    x = 2,817.65

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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.