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Finding the Fourth Proportional to 1,823.53, 2,735.00 and 653.33

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Solution

The fourth proportional to 1,823.53, 2,735.00 and 653.33 is: 979.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.53 : 2,735.00 = 653.33 : x
  2. Step 2: Convert to fraction form
    1,823.53/2,735.00 = 653.33/x
  3. Step 3: Cross multiply
    1,823.53x = 2,735.00 × 653.33
  4. Step 4: Simplify right side
    1,823.53x = 1,786,863.57
  5. Step 5: Solve for x
    x = 1,786,863.57/1,823.53
  6. Step 6: Final answer
    x = 979.89

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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.