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Finding the Fourth Proportional to 29,969.80, 44,987.10 and 16,847.80

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Solution

The fourth proportional to 29,969.80, 44,987.10 and 16,847.80 is: 25,289.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,969.80 : 44,987.10 = 16,847.80 : x
  2. Step 2: Convert to fraction form
    29,969.80/44,987.10 = 16,847.80/x
  3. Step 3: Cross multiply
    29,969.80x = 44,987.10 × 16,847.80
  4. Step 4: Simplify right side
    29,969.80x = 757,933,663.38
  5. Step 5: Solve for x
    x = 757,933,663.38/29,969.80
  6. Step 6: Final answer
    x = 25,289.91

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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.