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Finding the Fourth Proportional to 45,745.97, 68,605.77 and 15,758.99

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Solution

The fourth proportional to 45,745.97, 68,605.77 and 15,758.99 is: 23,633.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,745.97 : 68,605.77 = 15,758.99 : x
  2. Step 2: Convert to fraction form
    45,745.97/68,605.77 = 15,758.99/x
  3. Step 3: Cross multiply
    45,745.97x = 68,605.77 × 15,758.99
  4. Step 4: Simplify right side
    45,745.97x = 1,081,157,300.34
  5. Step 5: Solve for x
    x = 1,081,157,300.34/45,745.97
  6. Step 6: Final answer
    x = 23,633.94

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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.