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Finding the Fourth Proportional to 9,392.84, 14,079.92 and 5,234.74

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Solution

The fourth proportional to 9,392.84, 14,079.92 and 5,234.74 is: 7,846.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,392.84 : 14,079.92 = 5,234.74 : x
  2. Step 2: Convert to fraction form
    9,392.84/14,079.92 = 5,234.74/x
  3. Step 3: Cross multiply
    9,392.84x = 14,079.92 × 5,234.74
  4. Step 4: Simplify right side
    9,392.84x = 73,704,720.42
  5. Step 5: Solve for x
    x = 73,704,720.42/9,392.84
  6. Step 6: Final answer
    x = 7,846.90

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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.