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Finding the Fourth Proportional to 14,253.82, 19,673.40 and 8,288.93

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Solution

The fourth proportional to 14,253.82, 19,673.40 and 8,288.93 is: 11,440.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.82 : 19,673.40 = 8,288.93 : x
  2. Step 2: Convert to fraction form
    14,253.82/19,673.40 = 8,288.93/x
  3. Step 3: Cross multiply
    14,253.82x = 19,673.40 × 8,288.93
  4. Step 4: Simplify right side
    14,253.82x = 163,071,428.97
  5. Step 5: Solve for x
    x = 163,071,428.97/14,253.82
  6. Step 6: Final answer
    x = 11,440.54

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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.