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Finding the Fourth Proportional to 16,727.92, 25,095.93 and 8,387.22

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Solution

The fourth proportional to 16,727.92, 25,095.93 and 8,387.22 is: 12,582.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,727.92 : 25,095.93 = 8,387.22 : x
  2. Step 2: Convert to fraction form
    16,727.92/25,095.93 = 8,387.22/x
  3. Step 3: Cross multiply
    16,727.92x = 25,095.93 × 8,387.22
  4. Step 4: Simplify right side
    16,727.92x = 210,484,960.53
  5. Step 5: Solve for x
    x = 210,484,960.53/16,727.92
  6. Step 6: Final answer
    x = 12,582.85

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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.