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Finding the Fourth Proportional to 49,291.98, 68,029.98 and 28,073.22

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Solution

The fourth proportional to 49,291.98, 68,029.98 and 28,073.22 is: 38,745.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,291.98 : 68,029.98 = 28,073.22 : x
  2. Step 2: Convert to fraction form
    49,291.98/68,029.98 = 28,073.22/x
  3. Step 3: Cross multiply
    49,291.98x = 68,029.98 × 28,073.22
  4. Step 4: Simplify right side
    49,291.98x = 1,909,820,595.14
  5. Step 5: Solve for x
    x = 1,909,820,595.14/49,291.98
  6. Step 6: Final answer
    x = 38,745.06

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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.