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Finding the Fourth Proportional to 24,993.60, 37,512.96 and 13,316.64

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Solution

The fourth proportional to 24,993.60, 37,512.96 and 13,316.64 is: 19,986.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,993.60 : 37,512.96 = 13,316.64 : x
  2. Step 2: Convert to fraction form
    24,993.60/37,512.96 = 13,316.64/x
  3. Step 3: Cross multiply
    24,993.60x = 37,512.96 × 13,316.64
  4. Step 4: Simplify right side
    24,993.60x = 499,546,583.65
  5. Step 5: Solve for x
    x = 499,546,583.65/24,993.60
  6. Step 6: Final answer
    x = 19,986.98

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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.