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Finding the Fourth Proportional to 47,668.50, 65,765.52 and 29,756.70

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Solution

The fourth proportional to 47,668.50, 65,765.52 and 29,756.70 is: 41,053.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,668.50 : 65,765.52 = 29,756.70 : x
  2. Step 2: Convert to fraction form
    47,668.50/65,765.52 = 29,756.70/x
  3. Step 3: Cross multiply
    47,668.50x = 65,765.52 × 29,756.70
  4. Step 4: Simplify right side
    47,668.50x = 1,956,964,848.98
  5. Step 5: Solve for x
    x = 1,956,964,848.98/47,668.50
  6. Step 6: Final answer
    x = 41,053.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.