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Finding the Fourth Proportional to 18,328, 25,293.20 and 10,370.04

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Solution

The fourth proportional to 18,328, 25,293.20 and 10,370.04 is: 14,310.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,328 : 25,293.20 = 10,370.04 : x
  2. Step 2: Convert to fraction form
    18,328/25,293.20 = 10,370.04/x
  3. Step 3: Cross multiply
    18,328x = 25,293.20 × 10,370.04
  4. Step 4: Simplify right side
    18,328x = 262,291,495.73
  5. Step 5: Solve for x
    x = 262,291,495.73/18,328
  6. Step 6: Final answer
    x = 14,310.97

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1.5x scale

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.