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Finding the Fourth Proportional to 18,005.94, 26,990.04 and 10,096.86

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Solution

The fourth proportional to 18,005.94, 26,990.04 and 10,096.86 is: 15,134.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,005.94 : 26,990.04 = 10,096.86 : x
  2. Step 2: Convert to fraction form
    18,005.94/26,990.04 = 10,096.86/x
  3. Step 3: Cross multiply
    18,005.94x = 26,990.04 × 10,096.86
  4. Step 4: Simplify right side
    18,005.94x = 272,514,655.27
  5. Step 5: Solve for x
    x = 272,514,655.27/18,005.94
  6. Step 6: Final answer
    x = 15,134.71

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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.