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Finding the Fourth Proportional to 61,606.37, 92,420.96 and 19,497.05

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Solution

The fourth proportional to 61,606.37, 92,420.96 and 19,497.05 is: 29,249.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,606.37 : 92,420.96 = 19,497.05 : x
  2. Step 2: Convert to fraction form
    61,606.37/92,420.96 = 19,497.05/x
  3. Step 3: Cross multiply
    61,606.37x = 92,420.96 × 19,497.05
  4. Step 4: Simplify right side
    61,606.37x = 1,801,936,078.17
  5. Step 5: Solve for x
    x = 1,801,936,078.17/61,606.37
  6. Step 6: Final answer
    x = 29,249.18

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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.