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Finding the Fourth Proportional to 69,408.84, 104,113.53 and 16,818.24

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Solution

The fourth proportional to 69,408.84, 104,113.53 and 16,818.24 is: 25,227.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,408.84 : 104,113.53 = 16,818.24 : x
  2. Step 2: Convert to fraction form
    69,408.84/104,113.53 = 16,818.24/x
  3. Step 3: Cross multiply
    69,408.84x = 104,113.53 × 16,818.24
  4. Step 4: Simplify right side
    69,408.84x = 1,751,006,334.79
  5. Step 5: Solve for x
    x = 1,751,006,334.79/69,408.84
  6. Step 6: Final answer
    x = 25,227.43

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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.