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Finding the Fourth Proportional to 62,992.08, 86,929.07 and 34,697.77

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Solution

The fourth proportional to 62,992.08, 86,929.07 and 34,697.77 is: 47,882.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,992.08 : 86,929.07 = 34,697.77 : x
  2. Step 2: Convert to fraction form
    62,992.08/86,929.07 = 34,697.77/x
  3. Step 3: Cross multiply
    62,992.08x = 86,929.07 × 34,697.77
  4. Step 4: Simplify right side
    62,992.08x = 3,016,244,779.12
  5. Step 5: Solve for x
    x = 3,016,244,779.12/62,992.08
  6. Step 6: Final answer
    x = 47,882.92

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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.