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Finding the Fourth Proportional to 69,913, 104,843.94 and 25,526.62

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Solution

The fourth proportional to 69,913, 104,843.94 and 25,526.62 is: 38,280.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,913 : 104,843.94 = 25,526.62 : x
  2. Step 2: Convert to fraction form
    69,913/104,843.94 = 25,526.62/x
  3. Step 3: Cross multiply
    69,913x = 104,843.94 × 25,526.62
  4. Step 4: Simplify right side
    69,913x = 2,676,311,415.68
  5. Step 5: Solve for x
    x = 2,676,311,415.68/69,913
  6. Step 6: Final answer
    x = 38,280.60

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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.