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Finding the Fourth Proportional to 64,657.85, 97,059.68 and 49,932.05

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Solution

The fourth proportional to 64,657.85, 97,059.68 and 49,932.05 is: 74,954.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,657.85 : 97,059.68 = 49,932.05 : x
  2. Step 2: Convert to fraction form
    64,657.85/97,059.68 = 49,932.05/x
  3. Step 3: Cross multiply
    64,657.85x = 97,059.68 × 49,932.05
  4. Step 4: Simplify right side
    64,657.85x = 4,846,388,545.08
  5. Step 5: Solve for x
    x = 4,846,388,545.08/64,657.85
  6. Step 6: Final answer
    x = 74,954.37

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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.