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Finding the Fourth Proportional to 62,952.53, 86,879.40 and 34,663.28

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Solution

The fourth proportional to 62,952.53, 86,879.40 and 34,663.28 is: 47,838.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,952.53 : 86,879.40 = 34,663.28 : x
  2. Step 2: Convert to fraction form
    62,952.53/86,879.40 = 34,663.28/x
  3. Step 3: Cross multiply
    62,952.53x = 86,879.40 × 34,663.28
  4. Step 4: Simplify right side
    62,952.53x = 3,011,524,968.43
  5. Step 5: Solve for x
    x = 3,011,524,968.43/62,952.53
  6. Step 6: Final answer
    x = 47,838.03

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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.