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Finding the Fourth Proportional to 14,879.84, 20,534 and 8,592.08

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Solution

The fourth proportional to 14,879.84, 20,534 and 8,592.08 is: 11,856.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,879.84 : 20,534 = 8,592.08 : x
  2. Step 2: Convert to fraction form
    14,879.84/20,534 = 8,592.08/x
  3. Step 3: Cross multiply
    14,879.84x = 20,534 × 8,592.08
  4. Step 4: Simplify right side
    14,879.84x = 176,429,770.72
  5. Step 5: Solve for x
    x = 176,429,770.72/14,879.84
  6. Step 6: Final answer
    x = 11,856.97

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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.