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Finding the Fourth Proportional to 66,651.54, 100,002.27 and 34,610.64

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Solution

The fourth proportional to 66,651.54, 100,002.27 and 34,610.64 is: 51,928.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,651.54 : 100,002.27 = 34,610.64 : x
  2. Step 2: Convert to fraction form
    66,651.54/100,002.27 = 34,610.64/x
  3. Step 3: Cross multiply
    66,651.54x = 100,002.27 × 34,610.64
  4. Step 4: Simplify right side
    66,651.54x = 3,461,142,566.15
  5. Step 5: Solve for x
    x = 3,461,142,566.15/66,651.54
  6. Step 6: Final answer
    x = 51,928.92

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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.