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Finding the Fourth Proportional to 16,470.44, 22,729.06 and 8,916.58

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Solution

The fourth proportional to 16,470.44, 22,729.06 and 8,916.58 is: 12,304.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,470.44 : 22,729.06 = 8,916.58 : x
  2. Step 2: Convert to fraction form
    16,470.44/22,729.06 = 8,916.58/x
  3. Step 3: Cross multiply
    16,470.44x = 22,729.06 × 8,916.58
  4. Step 4: Simplify right side
    16,470.44x = 202,665,471.22
  5. Step 5: Solve for x
    x = 202,665,471.22/16,470.44
  6. Step 6: Final answer
    x = 12,304.80

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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.