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Finding the Fourth Proportional to 24,489.72, 33,809.70 and 18,736.36

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Solution

The fourth proportional to 24,489.72, 33,809.70 and 18,736.36 is: 25,866.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,489.72 : 33,809.70 = 18,736.36 : x
  2. Step 2: Convert to fraction form
    24,489.72/33,809.70 = 18,736.36/x
  3. Step 3: Cross multiply
    24,489.72x = 33,809.70 × 18,736.36
  4. Step 4: Simplify right side
    24,489.72x = 633,470,710.69
  5. Step 5: Solve for x
    x = 633,470,710.69/24,489.72
  6. Step 6: Final answer
    x = 25,866.80

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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.