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Finding the Fourth Proportional to 35,997.88, 54,005.84 and 12,623.64

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Solution

The fourth proportional to 35,997.88, 54,005.84 and 12,623.64 is: 18,938.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,997.88 : 54,005.84 = 12,623.64 : x
  2. Step 2: Convert to fraction form
    35,997.88/54,005.84 = 12,623.64/x
  3. Step 3: Cross multiply
    35,997.88x = 54,005.84 × 12,623.64
  4. Step 4: Simplify right side
    35,997.88x = 681,750,282.06
  5. Step 5: Solve for x
    x = 681,750,282.06/35,997.88
  6. Step 6: Final answer
    x = 18,938.62

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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.