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Finding the Fourth Proportional to 67,620.73, 101,423.25 and 17,705.63

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Solution

The fourth proportional to 67,620.73, 101,423.25 and 17,705.63 is: 26,556.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,620.73 : 101,423.25 = 17,705.63 : x
  2. Step 2: Convert to fraction form
    67,620.73/101,423.25 = 17,705.63/x
  3. Step 3: Cross multiply
    67,620.73x = 101,423.25 × 17,705.63
  4. Step 4: Simplify right side
    67,620.73x = 1,795,762,537.90
  5. Step 5: Solve for x
    x = 1,795,762,537.90/67,620.73
  6. Step 6: Final answer
    x = 26,556.39

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1.5x scale

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.