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Finding the Fourth Proportional to 29,993.25, 41,390.69 and 16,745.25

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Solution

The fourth proportional to 29,993.25, 41,390.69 and 16,745.25 is: 23,108.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,993.25 : 41,390.69 = 16,745.25 : x
  2. Step 2: Convert to fraction form
    29,993.25/41,390.69 = 16,745.25/x
  3. Step 3: Cross multiply
    29,993.25x = 41,390.69 × 16,745.25
  4. Step 4: Simplify right side
    29,993.25x = 693,097,368.00
  5. Step 5: Solve for x
    x = 693,097,368.00/29,993.25
  6. Step 6: Final answer
    x = 23,108.45

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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.