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Finding the Fourth Proportional to 18,650.69, 25,703.68 and 17,467.01

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Solution

The fourth proportional to 18,650.69, 25,703.68 and 17,467.01 is: 24,072.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650.69 : 25,703.68 = 17,467.01 : x
  2. Step 2: Convert to fraction form
    18,650.69/25,703.68 = 17,467.01/x
  3. Step 3: Cross multiply
    18,650.69x = 25,703.68 × 17,467.01
  4. Step 4: Simplify right side
    18,650.69x = 448,966,435.60
  5. Step 5: Solve for x
    x = 448,966,435.60/18,650.69
  6. Step 6: Final answer
    x = 24,072.38

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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.