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Finding the Fourth Proportional to 47,137.48, 70,662.48 and 15,950.88

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Solution

The fourth proportional to 47,137.48, 70,662.48 and 15,950.88 is: 23,911.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,137.48 : 70,662.48 = 15,950.88 : x
  2. Step 2: Convert to fraction form
    47,137.48/70,662.48 = 15,950.88/x
  3. Step 3: Cross multiply
    47,137.48x = 70,662.48 × 15,950.88
  4. Step 4: Simplify right side
    47,137.48x = 1,127,128,738.98
  5. Step 5: Solve for x
    x = 1,127,128,738.98/47,137.48
  6. Step 6: Final answer
    x = 23,911.52

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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.