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Finding the Fourth Proportional to 15,958.81, 23,938.22 and 4,865.25

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Solution

The fourth proportional to 15,958.81, 23,938.22 and 4,865.25 is: 7,297.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,958.81 : 23,938.22 = 4,865.25 : x
  2. Step 2: Convert to fraction form
    15,958.81/23,938.22 = 4,865.25/x
  3. Step 3: Cross multiply
    15,958.81x = 23,938.22 × 4,865.25
  4. Step 4: Simplify right side
    15,958.81x = 116,465,424.86
  5. Step 5: Solve for x
    x = 116,465,424.86/15,958.81
  6. Step 6: Final answer
    x = 7,297.88

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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.