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Finding the Fourth Proportional to 69,409.84, 104,115.03 and 16,819.24

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Solution

The fourth proportional to 69,409.84, 104,115.03 and 16,819.24 is: 25,228.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,409.84 : 104,115.03 = 16,819.24 : x
  2. Step 2: Convert to fraction form
    69,409.84/104,115.03 = 16,819.24/x
  3. Step 3: Cross multiply
    69,409.84x = 104,115.03 × 16,819.24
  4. Step 4: Simplify right side
    69,409.84x = 1,751,135,677.18
  5. Step 5: Solve for x
    x = 1,751,135,677.18/69,409.84
  6. Step 6: Final answer
    x = 25,228.93

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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.