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Finding the Fourth Proportional to 18,624.60, 25,701.60 and 10,240.92

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Solution

The fourth proportional to 18,624.60, 25,701.60 and 10,240.92 is: 14,132.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,624.60 : 25,701.60 = 10,240.92 : x
  2. Step 2: Convert to fraction form
    18,624.60/25,701.60 = 10,240.92/x
  3. Step 3: Cross multiply
    18,624.60x = 25,701.60 × 10,240.92
  4. Step 4: Simplify right side
    18,624.60x = 263,208,029.47
  5. Step 5: Solve for x
    x = 263,208,029.47/18,624.60
  6. Step 6: Final answer
    x = 14,132.28

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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.