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Finding the Fourth Proportional to 7,251.65, 10,007.90 and 4,226.61

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Solution

The fourth proportional to 7,251.65, 10,007.90 and 4,226.61 is: 5,833.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251.65 : 10,007.90 = 4,226.61 : x
  2. Step 2: Convert to fraction form
    7,251.65/10,007.90 = 4,226.61/x
  3. Step 3: Cross multiply
    7,251.65x = 10,007.90 × 4,226.61
  4. Step 4: Simplify right side
    7,251.65x = 42,299,490.22
  5. Step 5: Solve for x
    x = 42,299,490.22/7,251.65
  6. Step 6: Final answer
    x = 5,833.09

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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.