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Finding the Fourth Proportional to 14,832.92, 20,468.04 and 8,863.40

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Solution

The fourth proportional to 14,832.92, 20,468.04 and 8,863.40 is: 12,230.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,832.92 : 20,468.04 = 8,863.40 : x
  2. Step 2: Convert to fraction form
    14,832.92/20,468.04 = 8,863.40/x
  3. Step 3: Cross multiply
    14,832.92x = 20,468.04 × 8,863.40
  4. Step 4: Simplify right side
    14,832.92x = 181,416,425.74
  5. Step 5: Solve for x
    x = 181,416,425.74/14,832.92
  6. Step 6: Final answer
    x = 12,230.66

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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.