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Finding the Fourth Proportional to 66,795.98, 100,193.96 and 16,876.22

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Solution

The fourth proportional to 66,795.98, 100,193.96 and 16,876.22 is: 25,314.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,795.98 : 100,193.96 = 16,876.22 : x
  2. Step 2: Convert to fraction form
    66,795.98/100,193.96 = 16,876.22/x
  3. Step 3: Cross multiply
    66,795.98x = 100,193.96 × 16,876.22
  4. Step 4: Simplify right side
    66,795.98x = 1,690,894,852.85
  5. Step 5: Solve for x
    x = 1,690,894,852.85/66,795.98
  6. Step 6: Final answer
    x = 25,314.32

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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.