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Finding the Fourth Proportional to 29,992.86, 44,981.46 and 8,927.19

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Solution

The fourth proportional to 29,992.86, 44,981.46 and 8,927.19 is: 13,388.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,992.86 : 44,981.46 = 8,927.19 : x
  2. Step 2: Convert to fraction form
    29,992.86/44,981.46 = 8,927.19/x
  3. Step 3: Cross multiply
    29,992.86x = 44,981.46 × 8,927.19
  4. Step 4: Simplify right side
    29,992.86x = 401,558,039.90
  5. Step 5: Solve for x
    x = 401,558,039.90/29,992.86
  6. Step 6: Final answer
    x = 13,388.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.