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Finding the Fourth Proportional to 16,621.04, 23,034.07 and 16,305.64

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Solution

The fourth proportional to 16,621.04, 23,034.07 and 16,305.64 is: 22,596.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,621.04 : 23,034.07 = 16,305.64 : x
  2. Step 2: Convert to fraction form
    16,621.04/23,034.07 = 16,305.64/x
  3. Step 3: Cross multiply
    16,621.04x = 23,034.07 × 16,305.64
  4. Step 4: Simplify right side
    16,621.04x = 375,585,178.75
  5. Step 5: Solve for x
    x = 375,585,178.75/16,621.04
  6. Step 6: Final answer
    x = 22,596.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.