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Finding the Fourth Proportional to 66,336.98, 99,505.24 and 26,894

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Solution

The fourth proportional to 66,336.98, 99,505.24 and 26,894 is: 40,340.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,336.98 : 99,505.24 = 26,894 : x
  2. Step 2: Convert to fraction form
    66,336.98/99,505.24 = 26,894/x
  3. Step 3: Cross multiply
    66,336.98x = 99,505.24 × 26,894
  4. Step 4: Simplify right side
    66,336.98x = 2,676,093,924.56
  5. Step 5: Solve for x
    x = 2,676,093,924.56/66,336.98
  6. Step 6: Final answer
    x = 40,340.91

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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.