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Finding the Fourth Proportional to 63,802.56, 95,676.16 and 19,418.96

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Solution

The fourth proportional to 63,802.56, 95,676.16 and 19,418.96 is: 29,120.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,802.56 : 95,676.16 = 19,418.96 : x
  2. Step 2: Convert to fraction form
    63,802.56/95,676.16 = 19,418.96/x
  3. Step 3: Cross multiply
    63,802.56x = 95,676.16 × 19,418.96
  4. Step 4: Simplify right side
    63,802.56x = 1,857,931,523.99
  5. Step 5: Solve for x
    x = 1,857,931,523.99/63,802.56
  6. Step 6: Final answer
    x = 29,120.02

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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.