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Finding the Fourth Proportional to 41,442.72, 62,164.02 and 19,243.96

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Solution

The fourth proportional to 41,442.72, 62,164.02 and 19,243.96 is: 28,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,442.72 : 62,164.02 = 19,243.96 : x
  2. Step 2: Convert to fraction form
    41,442.72/62,164.02 = 19,243.96/x
  3. Step 3: Cross multiply
    41,442.72x = 62,164.02 × 19,243.96
  4. Step 4: Simplify right side
    41,442.72x = 1,196,281,603.50
  5. Step 5: Solve for x
    x = 1,196,281,603.50/41,442.72
  6. Step 6: Final answer
    x = 28,865.90

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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.