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Finding the Fourth Proportional to 18,374.71, 25,358.98 and 10,823.42

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Solution

The fourth proportional to 18,374.71, 25,358.98 and 10,823.42 is: 14,937.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,374.71 : 25,358.98 = 10,823.42 : x
  2. Step 2: Convert to fraction form
    18,374.71/25,358.98 = 10,823.42/x
  3. Step 3: Cross multiply
    18,374.71x = 25,358.98 × 10,823.42
  4. Step 4: Simplify right side
    18,374.71x = 274,470,835.74
  5. Step 5: Solve for x
    x = 274,470,835.74/18,374.71
  6. Step 6: Final answer
    x = 14,937.42

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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.