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Finding the Fourth Proportional to 63,921.96, 95,886.72 and 19,551.78

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Solution

The fourth proportional to 63,921.96, 95,886.72 and 19,551.78 is: 29,328.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,921.96 : 95,886.72 = 19,551.78 : x
  2. Step 2: Convert to fraction form
    63,921.96/95,886.72 = 19,551.78/x
  3. Step 3: Cross multiply
    63,921.96x = 95,886.72 × 19,551.78
  4. Step 4: Simplify right side
    63,921.96x = 1,874,756,054.36
  5. Step 5: Solve for x
    x = 1,874,756,054.36/63,921.96
  6. Step 6: Final answer
    x = 29,328.83

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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.