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Finding the Fourth Proportional to 18,447.36, 25,456.68 and 10,063.68

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Solution

The fourth proportional to 18,447.36, 25,456.68 and 10,063.68 is: 13,887.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,447.36 : 25,456.68 = 10,063.68 : x
  2. Step 2: Convert to fraction form
    18,447.36/25,456.68 = 10,063.68/x
  3. Step 3: Cross multiply
    18,447.36x = 25,456.68 × 10,063.68
  4. Step 4: Simplify right side
    18,447.36x = 256,187,881.38
  5. Step 5: Solve for x
    x = 256,187,881.38/18,447.36
  6. Step 6: Final answer
    x = 13,887.51

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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.