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Finding the Fourth Proportional to 6,957.68, 9,601.53 and 3,813.86

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Solution

The fourth proportional to 6,957.68, 9,601.53 and 3,813.86 is: 5,263.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,957.68 : 9,601.53 = 3,813.86 : x
  2. Step 2: Convert to fraction form
    6,957.68/9,601.53 = 3,813.86/x
  3. Step 3: Cross multiply
    6,957.68x = 9,601.53 × 3,813.86
  4. Step 4: Simplify right side
    6,957.68x = 36,618,891.21
  5. Step 5: Solve for x
    x = 36,618,891.21/6,957.68
  6. Step 6: Final answer
    x = 5,263.09

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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.