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Finding the Fourth Proportional to 67,996.65, 101,994.85 and 18,076.74

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Solution

The fourth proportional to 67,996.65, 101,994.85 and 18,076.74 is: 27,115.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,996.65 : 101,994.85 = 18,076.74 : x
  2. Step 2: Convert to fraction form
    67,996.65/101,994.85 = 18,076.74/x
  3. Step 3: Cross multiply
    67,996.65x = 101,994.85 × 18,076.74
  4. Step 4: Simplify right side
    67,996.65x = 1,843,734,598.63
  5. Step 5: Solve for x
    x = 1,843,734,598.63/67,996.65
  6. Step 6: Final answer
    x = 27,115.08

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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.