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Finding the Fourth Proportional to 64,762.65, 89,374.41 and 35,694.09

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Solution

The fourth proportional to 64,762.65, 89,374.41 and 35,694.09 is: 49,258.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,762.65 : 89,374.41 = 35,694.09 : x
  2. Step 2: Convert to fraction form
    64,762.65/89,374.41 = 35,694.09/x
  3. Step 3: Cross multiply
    64,762.65x = 89,374.41 × 35,694.09
  4. Step 4: Simplify right side
    64,762.65x = 3,190,138,234.24
  5. Step 5: Solve for x
    x = 3,190,138,234.24/64,762.65
  6. Step 6: Final answer
    x = 49,258.92

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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.