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Finding the Fourth Proportional to 66,676.43, 92,013.47 and 36,461.77

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Solution

The fourth proportional to 66,676.43, 92,013.47 and 36,461.77 is: 50,317.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,676.43 : 92,013.47 = 36,461.77 : x
  2. Step 2: Convert to fraction form
    66,676.43/92,013.47 = 36,461.77/x
  3. Step 3: Cross multiply
    66,676.43x = 92,013.47 × 36,461.77
  4. Step 4: Simplify right side
    66,676.43x = 3,354,974,301.23
  5. Step 5: Solve for x
    x = 3,354,974,301.23/66,676.43
  6. Step 6: Final answer
    x = 50,317.24

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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.