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Finding the Fourth Proportional to 16,620.71, 24,935.79 and 6,767.06

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Solution

The fourth proportional to 16,620.71, 24,935.79 and 6,767.06 is: 10,152.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,620.71 : 24,935.79 = 6,767.06 : x
  2. Step 2: Convert to fraction form
    16,620.71/24,935.79 = 6,767.06/x
  3. Step 3: Cross multiply
    16,620.71x = 24,935.79 × 6,767.06
  4. Step 4: Simplify right side
    16,620.71x = 168,741,987.08
  5. Step 5: Solve for x
    x = 168,741,987.08/16,620.71
  6. Step 6: Final answer
    x = 10,152.51

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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.