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Finding the Fourth Proportional to 62,992.14, 86,929.40 and 34,697.76

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Solution

The fourth proportional to 62,992.14, 86,929.40 and 34,697.76 is: 47,883.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,992.14 : 86,929.40 = 34,697.76 : x
  2. Step 2: Convert to fraction form
    62,992.14/86,929.40 = 34,697.76/x
  3. Step 3: Cross multiply
    62,992.14x = 86,929.40 × 34,697.76
  4. Step 4: Simplify right side
    62,992.14x = 3,016,255,458.14
  5. Step 5: Solve for x
    x = 3,016,255,458.14/62,992.14
  6. Step 6: Final answer
    x = 47,883.04

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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.