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Finding the Fourth Proportional to 73,421.43, 110,115.53 and 33,956.88

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Solution

The fourth proportional to 73,421.43, 110,115.53 and 33,956.88 is: 50,927.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,421.43 : 110,115.53 = 33,956.88 : x
  2. Step 2: Convert to fraction form
    73,421.43/110,115.53 = 33,956.88/x
  3. Step 3: Cross multiply
    73,421.43x = 110,115.53 × 33,956.88
  4. Step 4: Simplify right side
    73,421.43x = 3,739,179,838.35
  5. Step 5: Solve for x
    x = 3,739,179,838.35/73,421.43
  6. Step 6: Final answer
    x = 50,927.64

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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.