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Finding the Fourth Proportional to 70,886.49, 97,819.49 and 39,052.89

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Solution

The fourth proportional to 70,886.49, 97,819.49 and 39,052.89 is: 53,890.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,886.49 : 97,819.49 = 39,052.89 : x
  2. Step 2: Convert to fraction form
    70,886.49/97,819.49 = 39,052.89/x
  3. Step 3: Cross multiply
    70,886.49x = 97,819.49 × 39,052.89
  4. Step 4: Simplify right side
    70,886.49x = 3,820,133,587.56
  5. Step 5: Solve for x
    x = 3,820,133,587.56/70,886.49
  6. Step 6: Final answer
    x = 53,890.86

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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.