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Finding the Fourth Proportional to 51,000.63, 76,503.67 and 15,943.02

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Solution

The fourth proportional to 51,000.63, 76,503.67 and 15,943.02 is: 23,915.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,000.63 : 76,503.67 = 15,943.02 : x
  2. Step 2: Convert to fraction form
    51,000.63/76,503.67 = 15,943.02/x
  3. Step 3: Cross multiply
    51,000.63x = 76,503.67 × 15,943.02
  4. Step 4: Simplify right side
    51,000.63x = 1,219,699,540.88
  5. Step 5: Solve for x
    x = 1,219,699,540.88/51,000.63
  6. Step 6: Final answer
    x = 23,915.38

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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.