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Finding the Fourth Proportional to 67,606.64, 101,400.96 and 17,682.76

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Solution

The fourth proportional to 67,606.64, 101,400.96 and 17,682.76 is: 26,521.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,606.64 : 101,400.96 = 17,682.76 : x
  2. Step 2: Convert to fraction form
    67,606.64/101,400.96 = 17,682.76/x
  3. Step 3: Cross multiply
    67,606.64x = 101,400.96 × 17,682.76
  4. Step 4: Simplify right side
    67,606.64x = 1,793,048,839.45
  5. Step 5: Solve for x
    x = 1,793,048,839.45/67,606.64
  6. Step 6: Final answer
    x = 26,521.79

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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.