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Finding the Fourth Proportional to 64,853.16, 89,497.22 and 36,558.65

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Solution

The fourth proportional to 64,853.16, 89,497.22 and 36,558.65 is: 50,450.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,853.16 : 89,497.22 = 36,558.65 : x
  2. Step 2: Convert to fraction form
    64,853.16/89,497.22 = 36,558.65/x
  3. Step 3: Cross multiply
    64,853.16x = 89,497.22 × 36,558.65
  4. Step 4: Simplify right side
    64,853.16x = 3,271,896,911.67
  5. Step 5: Solve for x
    x = 3,271,896,911.67/64,853.16
  6. Step 6: Final answer
    x = 50,450.85

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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.