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Finding the Fourth Proportional to 63,707.44, 95,563.96 and 19,340.40

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Solution

The fourth proportional to 63,707.44, 95,563.96 and 19,340.40 is: 29,011.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,707.44 : 95,563.96 = 19,340.40 : x
  2. Step 2: Convert to fraction form
    63,707.44/95,563.96 = 19,340.40/x
  3. Step 3: Cross multiply
    63,707.44x = 95,563.96 × 19,340.40
  4. Step 4: Simplify right side
    63,707.44x = 1,848,245,211.98
  5. Step 5: Solve for x
    x = 1,848,245,211.98/63,707.44
  6. Step 6: Final answer
    x = 29,011.45

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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.