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Finding the Fourth Proportional to 7,007.93, 9,669.22 and 3,982.38

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Solution

The fourth proportional to 7,007.93, 9,669.22 and 3,982.38 is: 5,494.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,007.93 : 9,669.22 = 3,982.38 : x
  2. Step 2: Convert to fraction form
    7,007.93/9,669.22 = 3,982.38/x
  3. Step 3: Cross multiply
    7,007.93x = 9,669.22 × 3,982.38
  4. Step 4: Simplify right side
    7,007.93x = 38,506,508.34
  5. Step 5: Solve for x
    x = 38,506,508.34/7,007.93
  6. Step 6: Final answer
    x = 5,494.71

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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.