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Finding the Fourth Proportional to 15,958.27, 23,940.95 and 4,865.81

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Solution

The fourth proportional to 15,958.27, 23,940.95 and 4,865.81 is: 7,299.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,958.27 : 23,940.95 = 4,865.81 : x
  2. Step 2: Convert to fraction form
    15,958.27/23,940.95 = 4,865.81/x
  3. Step 3: Cross multiply
    15,958.27x = 23,940.95 × 4,865.81
  4. Step 4: Simplify right side
    15,958.27x = 116,492,089.59
  5. Step 5: Solve for x
    x = 116,492,089.59/15,958.27
  6. Step 6: Final answer
    x = 7,299.80

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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.