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Finding the Fourth Proportional to 63,706.54, 95,564.31 and 19,336.90

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Solution

The fourth proportional to 63,706.54, 95,564.31 and 19,336.90 is: 29,006.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,706.54 : 95,564.31 = 19,336.90 : x
  2. Step 2: Convert to fraction form
    63,706.54/95,564.31 = 19,336.90/x
  3. Step 3: Cross multiply
    63,706.54x = 95,564.31 × 19,336.90
  4. Step 4: Simplify right side
    63,706.54x = 1,847,917,506.04
  5. Step 5: Solve for x
    x = 1,847,917,506.04/63,706.54
  6. Step 6: Final answer
    x = 29,006.72

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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.