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Finding the Fourth Proportional to 63,707.31, 95,564.61 and 19,335.51

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Solution

The fourth proportional to 63,707.31, 95,564.61 and 19,335.51 is: 29,004.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,707.31 : 95,564.61 = 19,335.51 : x
  2. Step 2: Convert to fraction form
    63,707.31/95,564.61 = 19,335.51/x
  3. Step 3: Cross multiply
    63,707.31x = 95,564.61 × 19,335.51
  4. Step 4: Simplify right side
    63,707.31x = 1,847,790,472.30
  5. Step 5: Solve for x
    x = 1,847,790,472.30/63,707.31
  6. Step 6: Final answer
    x = 29,004.37

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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.