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Finding the Fourth Proportional to 14,876.84, 20,529.87 and 8,589.08

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Solution

The fourth proportional to 14,876.84, 20,529.87 and 8,589.08 is: 11,852.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,876.84 : 20,529.87 = 8,589.08 : x
  2. Step 2: Convert to fraction form
    14,876.84/20,529.87 = 8,589.08/x
  3. Step 3: Cross multiply
    14,876.84x = 20,529.87 × 8,589.08
  4. Step 4: Simplify right side
    14,876.84x = 176,332,695.82
  5. Step 5: Solve for x
    x = 176,332,695.82/14,876.84
  6. Step 6: Final answer
    x = 11,852.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.