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Finding the Fourth Proportional to 18,045.09, 27,067.02 and 6,358

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Solution

The fourth proportional to 18,045.09, 27,067.02 and 6,358 is: 9,536.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,045.09 : 27,067.02 = 6,358 : x
  2. Step 2: Convert to fraction form
    18,045.09/27,067.02 = 6,358/x
  3. Step 3: Cross multiply
    18,045.09x = 27,067.02 × 6,358
  4. Step 4: Simplify right side
    18,045.09x = 172,092,113.16
  5. Step 5: Solve for x
    x = 172,092,113.16/18,045.09
  6. Step 6: Final answer
    x = 9,536.78

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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.