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Finding the Fourth Proportional to 19,465.92, 29,198.88 and 15,992.64

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Solution

The fourth proportional to 19,465.92, 29,198.88 and 15,992.64 is: 23,988.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,465.92 : 29,198.88 = 15,992.64 : x
  2. Step 2: Convert to fraction form
    19,465.92/29,198.88 = 15,992.64/x
  3. Step 3: Cross multiply
    19,465.92x = 29,198.88 × 15,992.64
  4. Step 4: Simplify right side
    19,465.92x = 466,967,176.24
  5. Step 5: Solve for x
    x = 466,967,176.24/19,465.92
  6. Step 6: Final answer
    x = 23,988.96

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Similar ratio
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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.