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Finding the Fourth Proportional to 64,667.64, 89,240.94 and 36,373.62

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Solution

The fourth proportional to 64,667.64, 89,240.94 and 36,373.62 is: 50,195.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,667.64 : 89,240.94 = 36,373.62 : x
  2. Step 2: Convert to fraction form
    64,667.64/89,240.94 = 36,373.62/x
  3. Step 3: Cross multiply
    64,667.64x = 89,240.94 × 36,373.62
  4. Step 4: Simplify right side
    64,667.64x = 3,246,016,040.00
  5. Step 5: Solve for x
    x = 3,246,016,040.00/64,667.64
  6. Step 6: Final answer
    x = 50,195.37

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1.5x scale

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.