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Finding the Fourth Proportional to 70,894.02, 97,833.78 and 39,063

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Solution

The fourth proportional to 70,894.02, 97,833.78 and 39,063 is: 53,906.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,894.02 : 97,833.78 = 39,063 : x
  2. Step 2: Convert to fraction form
    70,894.02/97,833.78 = 39,063/x
  3. Step 3: Cross multiply
    70,894.02x = 97,833.78 × 39,063
  4. Step 4: Simplify right side
    70,894.02x = 3,821,680,948.14
  5. Step 5: Solve for x
    x = 3,821,680,948.14/70,894.02
  6. Step 6: Final answer
    x = 53,906.96

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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.