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Finding the Fourth Proportional to 19,627.58, 27,073.91 and 17,115.71

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Solution

The fourth proportional to 19,627.58, 27,073.91 and 17,115.71 is: 23,609.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,627.58 : 27,073.91 = 17,115.71 : x
  2. Step 2: Convert to fraction form
    19,627.58/27,073.91 = 17,115.71/x
  3. Step 3: Cross multiply
    19,627.58x = 27,073.91 × 17,115.71
  4. Step 4: Simplify right side
    19,627.58x = 463,389,099.55
  5. Step 5: Solve for x
    x = 463,389,099.55/19,627.58
  6. Step 6: Final answer
    x = 23,609.08

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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.