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Finding the Fourth Proportional to 1,653.48, 2,480.69 and 1,348.22

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Solution

The fourth proportional to 1,653.48, 2,480.69 and 1,348.22 is: 2,022.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653.48 : 2,480.69 = 1,348.22 : x
  2. Step 2: Convert to fraction form
    1,653.48/2,480.69 = 1,348.22/x
  3. Step 3: Cross multiply
    1,653.48x = 2,480.69 × 1,348.22
  4. Step 4: Simplify right side
    1,653.48x = 3,344,515.87
  5. Step 5: Solve for x
    x = 3,344,515.87/1,653.48
  6. Step 6: Final answer
    x = 2,022.71

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1.5x scale

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.