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Finding the Fourth Proportional to 8,992.11, 13,490.14 and 2,752.61

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Solution

The fourth proportional to 8,992.11, 13,490.14 and 2,752.61 is: 4,129.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,992.11 : 13,490.14 = 2,752.61 : x
  2. Step 2: Convert to fraction form
    8,992.11/13,490.14 = 2,752.61/x
  3. Step 3: Cross multiply
    8,992.11x = 13,490.14 × 2,752.61
  4. Step 4: Simplify right side
    8,992.11x = 37,133,030.26
  5. Step 5: Solve for x
    x = 37,133,030.26/8,992.11
  6. Step 6: Final answer
    x = 4,129.51

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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.