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Finding the Fourth Proportional to 1,205.34, 1,804.88 and 1,033.10

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Solution

The fourth proportional to 1,205.34, 1,804.88 and 1,033.10 is: 1,546.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205.34 : 1,804.88 = 1,033.10 : x
  2. Step 2: Convert to fraction form
    1,205.34/1,804.88 = 1,033.10/x
  3. Step 3: Cross multiply
    1,205.34x = 1,804.88 × 1,033.10
  4. Step 4: Simplify right side
    1,205.34x = 1,864,621.53
  5. Step 5: Solve for x
    x = 1,864,621.53/1,205.34
  6. Step 6: Final answer
    x = 1,546.97

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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.