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Finding the Fourth Proportional to 18,350.78, 27,504.82 and 15,024.64

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Solution

The fourth proportional to 18,350.78, 27,504.82 and 15,024.64 is: 22,519.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,350.78 : 27,504.82 = 15,024.64 : x
  2. Step 2: Convert to fraction form
    18,350.78/27,504.82 = 15,024.64/x
  3. Step 3: Cross multiply
    18,350.78x = 27,504.82 × 15,024.64
  4. Step 4: Simplify right side
    18,350.78x = 413,249,935.84
  5. Step 5: Solve for x
    x = 413,249,935.84/18,350.78
  6. Step 6: Final answer
    x = 22,519.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.