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Finding the Fourth Proportional to 64,966.26, 89,651.62 and 36,674.58

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Solution

The fourth proportional to 64,966.26, 89,651.62 and 36,674.58 is: 50,609.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,966.26 : 89,651.62 = 36,674.58 : x
  2. Step 2: Convert to fraction form
    64,966.26/89,651.62 = 36,674.58/x
  3. Step 3: Cross multiply
    64,966.26x = 89,651.62 × 36,674.58
  4. Step 4: Simplify right side
    64,966.26x = 3,287,935,509.82
  5. Step 5: Solve for x
    x = 3,287,935,509.82/64,966.26
  6. Step 6: Final answer
    x = 50,609.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.