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Finding the Fourth Proportional to 64,506.92, 89,014.64 and 36,207.14

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Solution

The fourth proportional to 64,506.92, 89,014.64 and 36,207.14 is: 49,963.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,506.92 : 89,014.64 = 36,207.14 : x
  2. Step 2: Convert to fraction form
    64,506.92/89,014.64 = 36,207.14/x
  3. Step 3: Cross multiply
    64,506.92x = 89,014.64 × 36,207.14
  4. Step 4: Simplify right side
    64,506.92x = 3,222,965,351.49
  5. Step 5: Solve for x
    x = 3,222,965,351.49/64,506.92
  6. Step 6: Final answer
    x = 49,963.09

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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.