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Finding the Fourth Proportional to 61,353.10, 91,935.71 and 41,288.21

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Solution

The fourth proportional to 61,353.10, 91,935.71 and 41,288.21 is: 61,869.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,353.10 : 91,935.71 = 41,288.21 : x
  2. Step 2: Convert to fraction form
    61,353.10/91,935.71 = 41,288.21/x
  3. Step 3: Cross multiply
    61,353.10x = 91,935.71 × 41,288.21
  4. Step 4: Simplify right side
    61,353.10x = 3,795,860,900.98
  5. Step 5: Solve for x
    x = 3,795,860,900.98/61,353.10
  6. Step 6: Final answer
    x = 61,869.10

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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.