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Finding the Fourth Proportional to 66,651.28, 99,956.73 and 35,044.30

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Solution

The fourth proportional to 66,651.28, 99,956.73 and 35,044.30 is: 52,555.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,651.28 : 99,956.73 = 35,044.30 : x
  2. Step 2: Convert to fraction form
    66,651.28/99,956.73 = 35,044.30/x
  3. Step 3: Cross multiply
    66,651.28x = 99,956.73 × 35,044.30
  4. Step 4: Simplify right side
    66,651.28x = 3,502,913,633.14
  5. Step 5: Solve for x
    x = 3,502,913,633.14/66,651.28
  6. Step 6: Final answer
    x = 52,555.83

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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.