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Finding the Fourth Proportional to 64,388.92, 88,857.40 and 36,094

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Solution

The fourth proportional to 64,388.92, 88,857.40 and 36,094 is: 49,810.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,388.92 : 88,857.40 = 36,094 : x
  2. Step 2: Convert to fraction form
    64,388.92/88,857.40 = 36,094/x
  3. Step 3: Cross multiply
    64,388.92x = 88,857.40 × 36,094
  4. Step 4: Simplify right side
    64,388.92x = 3,207,218,995.60
  5. Step 5: Solve for x
    x = 3,207,218,995.60/64,388.92
  6. Step 6: Final answer
    x = 49,810.11

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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.