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Finding the Fourth Proportional to 66,815.70, 92,201.72 and 36,595

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Solution

The fourth proportional to 66,815.70, 92,201.72 and 36,595 is: 50,498.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,815.70 : 92,201.72 = 36,595 : x
  2. Step 2: Convert to fraction form
    66,815.70/92,201.72 = 36,595/x
  3. Step 3: Cross multiply
    66,815.70x = 92,201.72 × 36,595
  4. Step 4: Simplify right side
    66,815.70x = 3,374,121,943.40
  5. Step 5: Solve for x
    x = 3,374,121,943.40/66,815.70
  6. Step 6: Final answer
    x = 50,498.94

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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.