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Finding the Fourth Proportional to 69,492.26, 104,238.39 and 16,901.78

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Solution

The fourth proportional to 69,492.26, 104,238.39 and 16,901.78 is: 25,352.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,492.26 : 104,238.39 = 16,901.78 : x
  2. Step 2: Convert to fraction form
    69,492.26/104,238.39 = 16,901.78/x
  3. Step 3: Cross multiply
    69,492.26x = 104,238.39 × 16,901.78
  4. Step 4: Simplify right side
    69,492.26x = 1,761,814,335.33
  5. Step 5: Solve for x
    x = 1,761,814,335.33/69,492.26
  6. Step 6: Final answer
    x = 25,352.67

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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.