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Finding the Fourth Proportional to 18,398.44, 25,390.50 and 10,441

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Solution

The fourth proportional to 18,398.44, 25,390.50 and 10,441 is: 14,408.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,398.44 : 25,390.50 = 10,441 : x
  2. Step 2: Convert to fraction form
    18,398.44/25,390.50 = 10,441/x
  3. Step 3: Cross multiply
    18,398.44x = 25,390.50 × 10,441
  4. Step 4: Simplify right side
    18,398.44x = 265,102,210.50
  5. Step 5: Solve for x
    x = 265,102,210.50/18,398.44
  6. Step 6: Final answer
    x = 14,408.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.