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Finding the Fourth Proportional to 67,064.60, 100,596.88 and 17,144.80

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Solution

The fourth proportional to 67,064.60, 100,596.88 and 17,144.80 is: 25,717.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,064.60 : 100,596.88 = 17,144.80 : x
  2. Step 2: Convert to fraction form
    67,064.60/100,596.88 = 17,144.80/x
  3. Step 3: Cross multiply
    67,064.60x = 100,596.88 × 17,144.80
  4. Step 4: Simplify right side
    67,064.60x = 1,724,713,388.22
  5. Step 5: Solve for x
    x = 1,724,713,388.22/67,064.60
  6. Step 6: Final answer
    x = 25,717.19

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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.