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Finding the Fourth Proportional to 7,936.16, 10,952 and 4,399.68

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Solution

The fourth proportional to 7,936.16, 10,952 and 4,399.68 is: 6,071.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.16 : 10,952 = 4,399.68 : x
  2. Step 2: Convert to fraction form
    7,936.16/10,952 = 4,399.68/x
  3. Step 3: Cross multiply
    7,936.16x = 10,952 × 4,399.68
  4. Step 4: Simplify right side
    7,936.16x = 48,185,295.36
  5. Step 5: Solve for x
    x = 48,185,295.36/7,936.16
  6. Step 6: Final answer
    x = 6,071.61

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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.