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Finding the Fourth Proportional to 18,205.16, 27,300.24 and 6,964.65

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Solution

The fourth proportional to 18,205.16, 27,300.24 and 6,964.65 is: 10,444.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,205.16 : 27,300.24 = 6,964.65 : x
  2. Step 2: Convert to fraction form
    18,205.16/27,300.24 = 6,964.65/x
  3. Step 3: Cross multiply
    18,205.16x = 27,300.24 × 6,964.65
  4. Step 4: Simplify right side
    18,205.16x = 190,136,616.52
  5. Step 5: Solve for x
    x = 190,136,616.52/18,205.16
  6. Step 6: Final answer
    x = 10,444.11

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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.