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Finding the Fourth Proportional to 62,886.39, 86,783.04 and 34,591.88

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Solution

The fourth proportional to 62,886.39, 86,783.04 and 34,591.88 is: 47,736.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,886.39 : 86,783.04 = 34,591.88 : x
  2. Step 2: Convert to fraction form
    62,886.39/86,783.04 = 34,591.88/x
  3. Step 3: Cross multiply
    62,886.39x = 86,783.04 × 34,591.88
  4. Step 4: Simplify right side
    62,886.39x = 3,001,988,071.80
  5. Step 5: Solve for x
    x = 3,001,988,071.80/62,886.39
  6. Step 6: Final answer
    x = 47,736.69

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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.