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Finding the Fourth Proportional to 4,798.98, 7,192.98 and 2,021.49

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Solution

The fourth proportional to 4,798.98, 7,192.98 and 2,021.49 is: 3,029.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,798.98 : 7,192.98 = 2,021.49 : x
  2. Step 2: Convert to fraction form
    4,798.98/7,192.98 = 2,021.49/x
  3. Step 3: Cross multiply
    4,798.98x = 7,192.98 × 2,021.49
  4. Step 4: Simplify right side
    4,798.98x = 14,540,537.14
  5. Step 5: Solve for x
    x = 14,540,537.14/4,798.98
  6. Step 6: Final answer
    x = 3,029.92

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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.