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Finding the Fourth Proportional to 16,620.56, 24,901.56 and 14,812.64

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Solution

The fourth proportional to 16,620.56, 24,901.56 and 14,812.64 is: 22,192.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,620.56 : 24,901.56 = 14,812.64 : x
  2. Step 2: Convert to fraction form
    16,620.56/24,901.56 = 14,812.64/x
  3. Step 3: Cross multiply
    16,620.56x = 24,901.56 × 14,812.64
  4. Step 4: Simplify right side
    16,620.56x = 368,857,843.72
  5. Step 5: Solve for x
    x = 368,857,843.72/16,620.56
  6. Step 6: Final answer
    x = 22,192.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.