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Finding the Fourth Proportional to 18,394.39, 25,384.29 and 10,010.89

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Solution

The fourth proportional to 18,394.39, 25,384.29 and 10,010.89 is: 13,815.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,394.39 : 25,384.29 = 10,010.89 : x
  2. Step 2: Convert to fraction form
    18,394.39/25,384.29 = 10,010.89/x
  3. Step 3: Cross multiply
    18,394.39x = 25,384.29 × 10,010.89
  4. Step 4: Simplify right side
    18,394.39x = 254,119,208.00
  5. Step 5: Solve for x
    x = 254,119,208.00/18,394.39
  6. Step 6: Final answer
    x = 13,815.04

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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.