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Finding the Fourth Proportional to 9,426.08, 13,007.12 and 5,234.08

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Solution

The fourth proportional to 9,426.08, 13,007.12 and 5,234.08 is: 7,222.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,426.08 : 13,007.12 = 5,234.08 : x
  2. Step 2: Convert to fraction form
    9,426.08/13,007.12 = 5,234.08/x
  3. Step 3: Cross multiply
    9,426.08x = 13,007.12 × 5,234.08
  4. Step 4: Simplify right side
    9,426.08x = 68,080,306.65
  5. Step 5: Solve for x
    x = 68,080,306.65/9,426.08
  6. Step 6: Final answer
    x = 7,222.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.