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Finding the Fourth Proportional to 16,361.53, 22,579.01 and 9,288.07

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Solution

The fourth proportional to 16,361.53, 22,579.01 and 9,288.07 is: 12,817.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,361.53 : 22,579.01 = 9,288.07 : x
  2. Step 2: Convert to fraction form
    16,361.53/22,579.01 = 9,288.07/x
  3. Step 3: Cross multiply
    16,361.53x = 22,579.01 × 9,288.07
  4. Step 4: Simplify right side
    16,361.53x = 209,715,425.41
  5. Step 5: Solve for x
    x = 209,715,425.41/16,361.53
  6. Step 6: Final answer
    x = 12,817.59

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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.