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Finding the Fourth Proportional to 1,496.38, 2,064.94 and 833.21

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Solution

The fourth proportional to 1,496.38, 2,064.94 and 833.21 is: 1,149.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,496.38 : 2,064.94 = 833.21 : x
  2. Step 2: Convert to fraction form
    1,496.38/2,064.94 = 833.21/x
  3. Step 3: Cross multiply
    1,496.38x = 2,064.94 × 833.21
  4. Step 4: Simplify right side
    1,496.38x = 1,720,531.74
  5. Step 5: Solve for x
    x = 1,720,531.74/1,496.38
  6. Step 6: Final answer
    x = 1,149.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.