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Finding the Fourth Proportional to 41,189.96, 61,795.32 and 19,018.88

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Solution

The fourth proportional to 41,189.96, 61,795.32 and 19,018.88 is: 28,533.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,189.96 : 61,795.32 = 19,018.88 : x
  2. Step 2: Convert to fraction form
    41,189.96/61,795.32 = 19,018.88/x
  3. Step 3: Cross multiply
    41,189.96x = 61,795.32 × 19,018.88
  4. Step 4: Simplify right side
    41,189.96x = 1,175,277,775.64
  5. Step 5: Solve for x
    x = 1,175,277,775.64/41,189.96
  6. Step 6: Final answer
    x = 28,533.11

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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.