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Finding the Fourth Proportional to 2,029.13, 2,800.12 and 1,144.88

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Solution

The fourth proportional to 2,029.13, 2,800.12 and 1,144.88 is: 1,579.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.13 : 2,800.12 = 1,144.88 : x
  2. Step 2: Convert to fraction form
    2,029.13/2,800.12 = 1,144.88/x
  3. Step 3: Cross multiply
    2,029.13x = 2,800.12 × 1,144.88
  4. Step 4: Simplify right side
    2,029.13x = 3,205,801.39
  5. Step 5: Solve for x
    x = 3,205,801.39/2,029.13
  6. Step 6: Final answer
    x = 1,579.89

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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.