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Finding the Fourth Proportional to 18,701.52, 25,809.63 and 10,637.70

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Solution

The fourth proportional to 18,701.52, 25,809.63 and 10,637.70 is: 14,680.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701.52 : 25,809.63 = 10,637.70 : x
  2. Step 2: Convert to fraction form
    18,701.52/25,809.63 = 10,637.70/x
  3. Step 3: Cross multiply
    18,701.52x = 25,809.63 × 10,637.70
  4. Step 4: Simplify right side
    18,701.52x = 274,554,972.00
  5. Step 5: Solve for x
    x = 274,554,972.00/18,701.52
  6. Step 6: Final answer
    x = 14,680.89

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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.