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Finding the Fourth Proportional to 64,758.08, 89,366.06 and 36,463.97

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Solution

The fourth proportional to 64,758.08, 89,366.06 and 36,463.97 is: 50,320.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,758.08 : 89,366.06 = 36,463.97 : x
  2. Step 2: Convert to fraction form
    64,758.08/89,366.06 = 36,463.97/x
  3. Step 3: Cross multiply
    64,758.08x = 89,366.06 × 36,463.97
  4. Step 4: Simplify right side
    64,758.08x = 3,258,640,975.19
  5. Step 5: Solve for x
    x = 3,258,640,975.19/64,758.08
  6. Step 6: Final answer
    x = 50,320.23

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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.