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Finding the Fourth Proportional to 18,324.91, 25,284.54 and 10,369.09

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Solution

The fourth proportional to 18,324.91, 25,284.54 and 10,369.09 is: 14,307.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,324.91 : 25,284.54 = 10,369.09 : x
  2. Step 2: Convert to fraction form
    18,324.91/25,284.54 = 10,369.09/x
  3. Step 3: Cross multiply
    18,324.91x = 25,284.54 × 10,369.09
  4. Step 4: Simplify right side
    18,324.91x = 262,177,670.87
  5. Step 5: Solve for x
    x = 262,177,670.87/18,324.91
  6. Step 6: Final answer
    x = 14,307.17

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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.