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Finding the Fourth Proportional to 1,823.46, 2,735.19 and 957.30

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Solution

The fourth proportional to 1,823.46, 2,735.19 and 957.30 is: 1,435.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.46 : 2,735.19 = 957.30 : x
  2. Step 2: Convert to fraction form
    1,823.46/2,735.19 = 957.30/x
  3. Step 3: Cross multiply
    1,823.46x = 2,735.19 × 957.30
  4. Step 4: Simplify right side
    1,823.46x = 2,618,397.39
  5. Step 5: Solve for x
    x = 2,618,397.39/1,823.46
  6. Step 6: Final answer
    x = 1,435.95

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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.