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Finding the Fourth Proportional to 6,957.90, 9,601.81 and 3,771.14

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Solution

The fourth proportional to 6,957.90, 9,601.81 and 3,771.14 is: 5,204.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,957.90 : 9,601.81 = 3,771.14 : x
  2. Step 2: Convert to fraction form
    6,957.90/9,601.81 = 3,771.14/x
  3. Step 3: Cross multiply
    6,957.90x = 9,601.81 × 3,771.14
  4. Step 4: Simplify right side
    6,957.90x = 36,209,712.33
  5. Step 5: Solve for x
    x = 36,209,712.33/6,957.90
  6. Step 6: Final answer
    x = 5,204.12

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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.