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Finding the Fourth Proportional to 64,287.14, 88,715.67 and 35,993.30

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Solution

The fourth proportional to 64,287.14, 88,715.67 and 35,993.30 is: 49,670.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,287.14 : 88,715.67 = 35,993.30 : x
  2. Step 2: Convert to fraction form
    64,287.14/88,715.67 = 35,993.30/x
  3. Step 3: Cross multiply
    64,287.14x = 88,715.67 × 35,993.30
  4. Step 4: Simplify right side
    64,287.14x = 3,193,169,725.01
  5. Step 5: Solve for x
    x = 3,193,169,725.01/64,287.14
  6. Step 6: Final answer
    x = 49,670.43

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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.