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Finding the Fourth Proportional to 18,462.39, 25,480.29 and 10,396.31

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Solution

The fourth proportional to 18,462.39, 25,480.29 and 10,396.31 is: 14,348.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,462.39 : 25,480.29 = 10,396.31 : x
  2. Step 2: Convert to fraction form
    18,462.39/25,480.29 = 10,396.31/x
  3. Step 3: Cross multiply
    18,462.39x = 25,480.29 × 10,396.31
  4. Step 4: Simplify right side
    18,462.39x = 264,900,866.33
  5. Step 5: Solve for x
    x = 264,900,866.33/18,462.39
  6. Step 6: Final answer
    x = 14,348.14

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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.