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Finding the Fourth Proportional to 64,854.92, 89,497.99 and 36,175.43

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Solution

The fourth proportional to 64,854.92, 89,497.99 and 36,175.43 is: 49,921.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,854.92 : 89,497.99 = 36,175.43 : x
  2. Step 2: Convert to fraction form
    64,854.92/89,497.99 = 36,175.43/x
  3. Step 3: Cross multiply
    64,854.92x = 89,497.99 × 36,175.43
  4. Step 4: Simplify right side
    64,854.92x = 3,237,628,272.39
  5. Step 5: Solve for x
    x = 3,237,628,272.39/64,854.92
  6. Step 6: Final answer
    x = 49,921.09

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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.