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Finding the Fourth Proportional to 7,396.71, 10,207.94 and 4,252.83

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Solution

The fourth proportional to 7,396.71, 10,207.94 and 4,252.83 is: 5,869.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,396.71 : 10,207.94 = 4,252.83 : x
  2. Step 2: Convert to fraction form
    7,396.71/10,207.94 = 4,252.83/x
  3. Step 3: Cross multiply
    7,396.71x = 10,207.94 × 4,252.83
  4. Step 4: Simplify right side
    7,396.71x = 43,412,612.21
  5. Step 5: Solve for x
    x = 43,412,612.21/7,396.71
  6. Step 6: Final answer
    x = 5,869.18

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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.