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Finding the Fourth Proportional to 14,368.90, 19,828.89 and 8,081.27

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Solution

The fourth proportional to 14,368.90, 19,828.89 and 8,081.27 is: 11,152.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,368.90 : 19,828.89 = 8,081.27 : x
  2. Step 2: Convert to fraction form
    14,368.90/19,828.89 = 8,081.27/x
  3. Step 3: Cross multiply
    14,368.90x = 19,828.89 × 8,081.27
  4. Step 4: Simplify right side
    14,368.90x = 160,242,613.89
  5. Step 5: Solve for x
    x = 160,242,613.89/14,368.90
  6. Step 6: Final answer
    x = 11,152.04

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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.