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Finding the Fourth Proportional to 12,095.88, 16,675.92 and 8,959.56

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Solution

The fourth proportional to 12,095.88, 16,675.92 and 8,959.56 is: 12,352.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,095.88 : 16,675.92 = 8,959.56 : x
  2. Step 2: Convert to fraction form
    12,095.88/16,675.92 = 8,959.56/x
  3. Step 3: Cross multiply
    12,095.88x = 16,675.92 × 8,959.56
  4. Step 4: Simplify right side
    12,095.88x = 149,408,905.80
  5. Step 5: Solve for x
    x = 149,408,905.80/12,095.88
  6. Step 6: Final answer
    x = 12,352.05

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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.