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Finding the Fourth Proportional to 19,587.92, 27,031.44 and 10,635.44

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Solution

The fourth proportional to 19,587.92, 27,031.44 and 10,635.44 is: 14,676.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,587.92 : 27,031.44 = 10,635.44 : x
  2. Step 2: Convert to fraction form
    19,587.92/27,031.44 = 10,635.44/x
  3. Step 3: Cross multiply
    19,587.92x = 27,031.44 × 10,635.44
  4. Step 4: Simplify right side
    19,587.92x = 287,491,258.23
  5. Step 5: Solve for x
    x = 287,491,258.23/19,587.92
  6. Step 6: Final answer
    x = 14,676.97

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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.