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Finding the Fourth Proportional to 69,399.99, 104,099.64 and 16,809.48

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Solution

The fourth proportional to 69,399.99, 104,099.64 and 16,809.48 is: 25,214.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,399.99 : 104,099.64 = 16,809.48 : x
  2. Step 2: Convert to fraction form
    69,399.99/104,099.64 = 16,809.48/x
  3. Step 3: Cross multiply
    69,399.99x = 104,099.64 × 16,809.48
  4. Step 4: Simplify right side
    69,399.99x = 1,749,860,816.59
  5. Step 5: Solve for x
    x = 1,749,860,816.59/69,399.99
  6. Step 6: Final answer
    x = 25,214.14

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1.5x scale

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.