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Finding the Fourth Proportional to 18,263.58, 25,202.35 and 10,306.55

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Solution

The fourth proportional to 18,263.58, 25,202.35 and 10,306.55 is: 14,222.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,263.58 : 25,202.35 = 10,306.55 : x
  2. Step 2: Convert to fraction form
    18,263.58/25,202.35 = 10,306.55/x
  3. Step 3: Cross multiply
    18,263.58x = 25,202.35 × 10,306.55
  4. Step 4: Simplify right side
    18,263.58x = 259,749,280.39
  5. Step 5: Solve for x
    x = 259,749,280.39/18,263.58
  6. Step 6: Final answer
    x = 14,222.25

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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.