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Finding the Fourth Proportional to 66,495.94, 99,657.72 and 27,007.18

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Solution

The fourth proportional to 66,495.94, 99,657.72 and 27,007.18 is: 40,475.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,495.94 : 99,657.72 = 27,007.18 : x
  2. Step 2: Convert to fraction form
    66,495.94/99,657.72 = 27,007.18/x
  3. Step 3: Cross multiply
    66,495.94x = 99,657.72 × 27,007.18
  4. Step 4: Simplify right side
    66,495.94x = 2,691,473,982.43
  5. Step 5: Solve for x
    x = 2,691,473,982.43/66,495.94
  6. Step 6: Final answer
    x = 40,475.76

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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.