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Finding the Fourth Proportional to 70,883.62, 97,819.64 and 39,052.44

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Solution

The fourth proportional to 70,883.62, 97,819.64 and 39,052.44 is: 53,892.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,883.62 : 97,819.64 = 39,052.44 : x
  2. Step 2: Convert to fraction form
    70,883.62/97,819.64 = 39,052.44/x
  3. Step 3: Cross multiply
    70,883.62x = 97,819.64 × 39,052.44
  4. Step 4: Simplify right side
    70,883.62x = 3,820,095,426.66
  5. Step 5: Solve for x
    x = 3,820,095,426.66/70,883.62
  6. Step 6: Final answer
    x = 53,892.50

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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.