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Finding the Fourth Proportional to 64,618.65, 89,174.01 and 36,322.53

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Solution

The fourth proportional to 64,618.65, 89,174.01 and 36,322.53 is: 50,125.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,618.65 : 89,174.01 = 36,322.53 : x
  2. Step 2: Convert to fraction form
    64,618.65/89,174.01 = 36,322.53/x
  3. Step 3: Cross multiply
    64,618.65x = 89,174.01 × 36,322.53
  4. Step 4: Simplify right side
    64,618.65x = 3,239,025,653.45
  5. Step 5: Solve for x
    x = 3,239,025,653.45/64,618.65
  6. Step 6: Final answer
    x = 50,125.24

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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.