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Finding the Fourth Proportional to 5,318.27, 7,980.42 and 5,033.24

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Solution

The fourth proportional to 5,318.27, 7,980.42 and 5,033.24 is: 7,552.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.27 : 7,980.42 = 5,033.24 : x
  2. Step 2: Convert to fraction form
    5,318.27/7,980.42 = 5,033.24/x
  3. Step 3: Cross multiply
    5,318.27x = 7,980.42 × 5,033.24
  4. Step 4: Simplify right side
    5,318.27x = 40,167,329.26
  5. Step 5: Solve for x
    x = 40,167,329.26/5,318.27
  6. Step 6: Final answer
    x = 7,552.71

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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.