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Finding the Fourth Proportional to 67,641.44, 101,466.62 and 17,722.76

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Solution

The fourth proportional to 67,641.44, 101,466.62 and 17,722.76 is: 26,585.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,641.44 : 101,466.62 = 17,722.76 : x
  2. Step 2: Convert to fraction form
    67,641.44/101,466.62 = 17,722.76/x
  3. Step 3: Cross multiply
    67,641.44x = 101,466.62 × 17,722.76
  4. Step 4: Simplify right side
    67,641.44x = 1,798,267,958.32
  5. Step 5: Solve for x
    x = 1,798,267,958.32/67,641.44
  6. Step 6: Final answer
    x = 26,585.30

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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.