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Finding the Fourth Proportional to 16,435.08, 22,680.41 and 8,881.41

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Solution

The fourth proportional to 16,435.08, 22,680.41 and 8,881.41 is: 12,256.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,435.08 : 22,680.41 = 8,881.41 : x
  2. Step 2: Convert to fraction form
    16,435.08/22,680.41 = 8,881.41/x
  3. Step 3: Cross multiply
    16,435.08x = 22,680.41 × 8,881.41
  4. Step 4: Simplify right side
    16,435.08x = 201,433,975.77
  5. Step 5: Solve for x
    x = 201,433,975.77/16,435.08
  6. Step 6: Final answer
    x = 12,256.34

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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.