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Finding the Fourth Proportional to 66,676.74, 92,012.49 and 36,461.72

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Solution

The fourth proportional to 66,676.74, 92,012.49 and 36,461.72 is: 50,316.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,676.74 : 92,012.49 = 36,461.72 : x
  2. Step 2: Convert to fraction form
    66,676.74/92,012.49 = 36,461.72/x
  3. Step 3: Cross multiply
    66,676.74x = 92,012.49 × 36,461.72
  4. Step 4: Simplify right side
    66,676.74x = 3,354,933,186.82
  5. Step 5: Solve for x
    x = 3,354,933,186.82/66,676.74
  6. Step 6: Final answer
    x = 50,316.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.