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Finding the Fourth Proportional to 15,960.94, 22,026.10 and 8,889.02

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Solution

The fourth proportional to 15,960.94, 22,026.10 and 8,889.02 is: 12,266.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,960.94 : 22,026.10 = 8,889.02 : x
  2. Step 2: Convert to fraction form
    15,960.94/22,026.10 = 8,889.02/x
  3. Step 3: Cross multiply
    15,960.94x = 22,026.10 × 8,889.02
  4. Step 4: Simplify right side
    15,960.94x = 195,790,443.42
  5. Step 5: Solve for x
    x = 195,790,443.42/15,960.94
  6. Step 6: Final answer
    x = 12,266.85

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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.