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Finding the Fourth Proportional to 74,484.09, 111,729.54 and 24,568.54

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Solution

The fourth proportional to 74,484.09, 111,729.54 and 24,568.54 is: 36,853.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,484.09 : 111,729.54 = 24,568.54 : x
  2. Step 2: Convert to fraction form
    74,484.09/111,729.54 = 24,568.54/x
  3. Step 3: Cross multiply
    74,484.09x = 111,729.54 × 24,568.54
  4. Step 4: Simplify right side
    74,484.09x = 2,745,031,611.25
  5. Step 5: Solve for x
    x = 2,745,031,611.25/74,484.09
  6. Step 6: Final answer
    x = 36,853.93

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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.