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Finding the Fourth Proportional to 3,087.49, 4,631.69 and 895.94

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Solution

The fourth proportional to 3,087.49, 4,631.69 and 895.94 is: 1,344.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.49 : 4,631.69 = 895.94 : x
  2. Step 2: Convert to fraction form
    3,087.49/4,631.69 = 895.94/x
  3. Step 3: Cross multiply
    3,087.49x = 4,631.69 × 895.94
  4. Step 4: Simplify right side
    3,087.49x = 4,149,693.18
  5. Step 5: Solve for x
    x = 4,149,693.18/3,087.49
  6. Step 6: Final answer
    x = 1,344.03

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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.