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Finding the Fourth Proportional to 4,531.82, 6,797.74 and 1,245.40

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Solution

The fourth proportional to 4,531.82, 6,797.74 and 1,245.40 is: 1,868.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,531.82 : 6,797.74 = 1,245.40 : x
  2. Step 2: Convert to fraction form
    4,531.82/6,797.74 = 1,245.40/x
  3. Step 3: Cross multiply
    4,531.82x = 6,797.74 × 1,245.40
  4. Step 4: Simplify right side
    4,531.82x = 8,465,905.40
  5. Step 5: Solve for x
    x = 8,465,905.40/4,531.82
  6. Step 6: Final answer
    x = 1,868.10

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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.