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Finding the Fourth Proportional to 66,474.44, 99,730.48 and 27,059.84

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Solution

The fourth proportional to 66,474.44, 99,730.48 and 27,059.84 is: 40,597.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,474.44 : 99,730.48 = 27,059.84 : x
  2. Step 2: Convert to fraction form
    66,474.44/99,730.48 = 27,059.84/x
  3. Step 3: Cross multiply
    66,474.44x = 99,730.48 × 27,059.84
  4. Step 4: Simplify right side
    66,474.44x = 2,698,690,831.92
  5. Step 5: Solve for x
    x = 2,698,690,831.92/66,474.44
  6. Step 6: Final answer
    x = 40,597.42

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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.