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Finding the Fourth Proportional to 13,886.73, 20,830.00 and 5,566.63

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Solution

The fourth proportional to 13,886.73, 20,830.00 and 5,566.63 is: 8,349.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886.73 : 20,830.00 = 5,566.63 : x
  2. Step 2: Convert to fraction form
    13,886.73/20,830.00 = 5,566.63/x
  3. Step 3: Cross multiply
    13,886.73x = 20,830.00 × 5,566.63
  4. Step 4: Simplify right side
    13,886.73x = 115,952,836.91
  5. Step 5: Solve for x
    x = 115,952,836.91/13,886.73
  6. Step 6: Final answer
    x = 8,349.90

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