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Finding the Fourth Proportional to 39,647.98, 59,495.19 and 15,951.84

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Solution

The fourth proportional to 39,647.98, 59,495.19 and 15,951.84 is: 23,937.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,647.98 : 59,495.19 = 15,951.84 : x
  2. Step 2: Convert to fraction form
    39,647.98/59,495.19 = 15,951.84/x
  3. Step 3: Cross multiply
    39,647.98x = 59,495.19 × 15,951.84
  4. Step 4: Simplify right side
    39,647.98x = 949,057,558.45
  5. Step 5: Solve for x
    x = 949,057,558.45/39,647.98
  6. Step 6: Final answer
    x = 23,937.10

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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.