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Finding the Fourth Proportional to 63,738.31, 95,607.42 and 19,364.89

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Solution

The fourth proportional to 63,738.31, 95,607.42 and 19,364.89 is: 29,047.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,738.31 : 95,607.42 = 19,364.89 : x
  2. Step 2: Convert to fraction form
    63,738.31/95,607.42 = 19,364.89/x
  3. Step 3: Cross multiply
    63,738.31x = 95,607.42 × 19,364.89
  4. Step 4: Simplify right side
    63,738.31x = 1,851,427,171.48
  5. Step 5: Solve for x
    x = 1,851,427,171.48/63,738.31
  6. Step 6: Final answer
    x = 29,047.32

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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.