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Finding the Fourth Proportional to 61,394.60, 91,943.94 and 35,019.38

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Solution

The fourth proportional to 61,394.60, 91,943.94 and 35,019.38 is: 52,444.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,394.60 : 91,943.94 = 35,019.38 : x
  2. Step 2: Convert to fraction form
    61,394.60/91,943.94 = 35,019.38/x
  3. Step 3: Cross multiply
    61,394.60x = 91,943.94 × 35,019.38
  4. Step 4: Simplify right side
    61,394.60x = 3,219,819,773.56
  5. Step 5: Solve for x
    x = 3,219,819,773.56/61,394.60
  6. Step 6: Final answer
    x = 52,444.67

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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.