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Finding the Fourth Proportional to 11,095.32, 16,653.92 and 6,721.32

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Solution

The fourth proportional to 11,095.32, 16,653.92 and 6,721.32 is: 10,088.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,095.32 : 16,653.92 = 6,721.32 : x
  2. Step 2: Convert to fraction form
    11,095.32/16,653.92 = 6,721.32/x
  3. Step 3: Cross multiply
    11,095.32x = 16,653.92 × 6,721.32
  4. Step 4: Simplify right side
    11,095.32x = 111,936,325.57
  5. Step 5: Solve for x
    x = 111,936,325.57/11,095.32
  6. Step 6: Final answer
    x = 10,088.61

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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.