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Finding the Fourth Proportional to 63,804.31, 95,706.16 and 19,429.47

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Solution

The fourth proportional to 63,804.31, 95,706.16 and 19,429.47 is: 29,144.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,804.31 : 95,706.16 = 19,429.47 : x
  2. Step 2: Convert to fraction form
    63,804.31/95,706.16 = 19,429.47/x
  3. Step 3: Cross multiply
    63,804.31x = 95,706.16 × 19,429.47
  4. Step 4: Simplify right side
    63,804.31x = 1,859,519,915.96
  5. Step 5: Solve for x
    x = 1,859,519,915.96/63,804.31
  6. Step 6: Final answer
    x = 29,144.11

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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.