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Finding the Fourth Proportional to 62,042, 85,618 and 35,175.92

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Solution

The fourth proportional to 62,042, 85,618 and 35,175.92 is: 48,542.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,042 : 85,618 = 35,175.92 : x
  2. Step 2: Convert to fraction form
    62,042/85,618 = 35,175.92/x
  3. Step 3: Cross multiply
    62,042x = 85,618 × 35,175.92
  4. Step 4: Simplify right side
    62,042x = 3,011,691,918.56
  5. Step 5: Solve for x
    x = 3,011,691,918.56/62,042
  6. Step 6: Final answer
    x = 48,542.79

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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.