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Finding the Fourth Proportional to 67,329.98, 100,997.52 and 25,205.63

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Solution

The fourth proportional to 67,329.98, 100,997.52 and 25,205.63 is: 37,809.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,329.98 : 100,997.52 = 25,205.63 : x
  2. Step 2: Convert to fraction form
    67,329.98/100,997.52 = 25,205.63/x
  3. Step 3: Cross multiply
    67,329.98x = 100,997.52 × 25,205.63
  4. Step 4: Simplify right side
    67,329.98x = 2,545,705,994.01
  5. Step 5: Solve for x
    x = 2,545,705,994.01/67,329.98
  6. Step 6: Final answer
    x = 37,809.40

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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.