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Finding the Fourth Proportional to 18,335.46, 27,508.05 and 6,650.40

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Solution

The fourth proportional to 18,335.46, 27,508.05 and 6,650.40 is: 9,977.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,335.46 : 27,508.05 = 6,650.40 : x
  2. Step 2: Convert to fraction form
    18,335.46/27,508.05 = 6,650.40/x
  3. Step 3: Cross multiply
    18,335.46x = 27,508.05 × 6,650.40
  4. Step 4: Simplify right side
    18,335.46x = 182,939,535.72
  5. Step 5: Solve for x
    x = 182,939,535.72/18,335.46
  6. Step 6: Final answer
    x = 9,977.36

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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.