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Finding the Fourth Proportional to 69,318, 104,023.08 and 25,542

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Solution

The fourth proportional to 69,318, 104,023.08 and 25,542 is: 38,329.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,318 : 104,023.08 = 25,542 : x
  2. Step 2: Convert to fraction form
    69,318/104,023.08 = 25,542/x
  3. Step 3: Cross multiply
    69,318x = 104,023.08 × 25,542
  4. Step 4: Simplify right side
    69,318x = 2,656,957,509.36
  5. Step 5: Solve for x
    x = 2,656,957,509.36/69,318
  6. Step 6: Final answer
    x = 38,329.98

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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.