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Finding the Fourth Proportional to 67,666.44, 101,489.58 and 17,747.40

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Solution

The fourth proportional to 67,666.44, 101,489.58 and 17,747.40 is: 26,618.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,666.44 : 101,489.58 = 17,747.40 : x
  2. Step 2: Convert to fraction form
    67,666.44/101,489.58 = 17,747.40/x
  3. Step 3: Cross multiply
    67,666.44x = 101,489.58 × 17,747.40
  4. Step 4: Simplify right side
    67,666.44x = 1,801,176,172.09
  5. Step 5: Solve for x
    x = 1,801,176,172.09/67,666.44
  6. Step 6: Final answer
    x = 26,618.46

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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.