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Finding the Fourth Proportional to 62,985.32, 86,924.94 and 34,696.28

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Solution

The fourth proportional to 62,985.32, 86,924.94 and 34,696.28 is: 47,883.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,985.32 : 86,924.94 = 34,696.28 : x
  2. Step 2: Convert to fraction form
    62,985.32/86,924.94 = 34,696.28/x
  3. Step 3: Cross multiply
    62,985.32x = 86,924.94 × 34,696.28
  4. Step 4: Simplify right side
    62,985.32x = 3,015,972,057.22
  5. Step 5: Solve for x
    x = 3,015,972,057.22/62,985.32
  6. Step 6: Final answer
    x = 47,883.73

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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.