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Finding the Fourth Proportional to 67,083.68, 100,628.96 and 17,164.20

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Solution

The fourth proportional to 67,083.68, 100,628.96 and 17,164.20 is: 25,747.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,083.68 : 100,628.96 = 17,164.20 : x
  2. Step 2: Convert to fraction form
    67,083.68/100,628.96 = 17,164.20/x
  3. Step 3: Cross multiply
    67,083.68x = 100,628.96 × 17,164.20
  4. Step 4: Simplify right side
    67,083.68x = 1,727,215,595.23
  5. Step 5: Solve for x
    x = 1,727,215,595.23/67,083.68
  6. Step 6: Final answer
    x = 25,747.18

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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.