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Finding the Fourth Proportional to 53,273.66, 79,896.65 and 15,823.67

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Solution

The fourth proportional to 53,273.66, 79,896.65 and 15,823.67 is: 23,731.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,273.66 : 79,896.65 = 15,823.67 : x
  2. Step 2: Convert to fraction form
    53,273.66/79,896.65 = 15,823.67/x
  3. Step 3: Cross multiply
    53,273.66x = 79,896.65 × 15,823.67
  4. Step 4: Simplify right side
    53,273.66x = 1,264,257,745.10
  5. Step 5: Solve for x
    x = 1,264,257,745.10/53,273.66
  6. Step 6: Final answer
    x = 23,731.39

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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.