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Finding the Fourth Proportional to 27,001, 37,257.42 and 15,063.40

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Solution

The fourth proportional to 27,001, 37,257.42 and 15,063.40 is: 20,785.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,001 : 37,257.42 = 15,063.40 : x
  2. Step 2: Convert to fraction form
    27,001/37,257.42 = 15,063.40/x
  3. Step 3: Cross multiply
    27,001x = 37,257.42 × 15,063.40
  4. Step 4: Simplify right side
    27,001x = 561,223,420.43
  5. Step 5: Solve for x
    x = 561,223,420.43/27,001
  6. Step 6: Final answer
    x = 20,785.28

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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.