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Finding the Fourth Proportional to 16,695.92, 25,027.48 and 6,821.62

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Solution

The fourth proportional to 16,695.92, 25,027.48 and 6,821.62 is: 10,225.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,695.92 : 25,027.48 = 6,821.62 : x
  2. Step 2: Convert to fraction form
    16,695.92/25,027.48 = 6,821.62/x
  3. Step 3: Cross multiply
    16,695.92x = 25,027.48 × 6,821.62
  4. Step 4: Simplify right side
    16,695.92x = 170,727,904.08
  5. Step 5: Solve for x
    x = 170,727,904.08/16,695.92
  6. Step 6: Final answer
    x = 10,225.72

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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.