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Finding the Fourth Proportional to 43,997.63, 65,997.52 and 15,920.33

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Solution

The fourth proportional to 43,997.63, 65,997.52 and 15,920.33 is: 23,880.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,997.63 : 65,997.52 = 15,920.33 : x
  2. Step 2: Convert to fraction form
    43,997.63/65,997.52 = 15,920.33/x
  3. Step 3: Cross multiply
    43,997.63x = 65,997.52 × 15,920.33
  4. Step 4: Simplify right side
    43,997.63x = 1,050,701,927.79
  5. Step 5: Solve for x
    x = 1,050,701,927.79/43,997.63
  6. Step 6: Final answer
    x = 23,880.88

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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.