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Finding the Fourth Proportional to 24,409.89, 33,685.65 and 13,231.89

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Solution

The fourth proportional to 24,409.89, 33,685.65 and 13,231.89 is: 18,260.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,409.89 : 33,685.65 = 13,231.89 : x
  2. Step 2: Convert to fraction form
    24,409.89/33,685.65 = 13,231.89/x
  3. Step 3: Cross multiply
    24,409.89x = 33,685.65 × 13,231.89
  4. Step 4: Simplify right side
    24,409.89x = 445,724,815.38
  5. Step 5: Solve for x
    x = 445,724,815.38/24,409.89
  6. Step 6: Final answer
    x = 18,260.01

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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.