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Finding the Fourth Proportional to 19,632.08, 27,092.74 and 10,680.08

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Solution

The fourth proportional to 19,632.08, 27,092.74 and 10,680.08 is: 14,738.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,632.08 : 27,092.74 = 10,680.08 : x
  2. Step 2: Convert to fraction form
    19,632.08/27,092.74 = 10,680.08/x
  3. Step 3: Cross multiply
    19,632.08x = 27,092.74 × 10,680.08
  4. Step 4: Simplify right side
    19,632.08x = 289,352,630.62
  5. Step 5: Solve for x
    x = 289,352,630.62/19,632.08
  6. Step 6: Final answer
    x = 14,738.77

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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.