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Finding the Fourth Proportional to 66,466.68, 99,699.51 and 16,546.44

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Solution

The fourth proportional to 66,466.68, 99,699.51 and 16,546.44 is: 24,819.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,466.68 : 99,699.51 = 16,546.44 : x
  2. Step 2: Convert to fraction form
    66,466.68/99,699.51 = 16,546.44/x
  3. Step 3: Cross multiply
    66,466.68x = 99,699.51 × 16,546.44
  4. Step 4: Simplify right side
    66,466.68x = 1,649,671,960.24
  5. Step 5: Solve for x
    x = 1,649,671,960.24/66,466.68
  6. Step 6: Final answer
    x = 24,819.53

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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.