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Finding the Fourth Proportional to 9,197.81, 13,799.09 and 2,958.71

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Solution

The fourth proportional to 9,197.81, 13,799.09 and 2,958.71 is: 4,438.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,197.81 : 13,799.09 = 2,958.71 : x
  2. Step 2: Convert to fraction form
    9,197.81/13,799.09 = 2,958.71/x
  3. Step 3: Cross multiply
    9,197.81x = 13,799.09 × 2,958.71
  4. Step 4: Simplify right side
    9,197.81x = 40,827,421.78
  5. Step 5: Solve for x
    x = 40,827,421.78/9,197.81
  6. Step 6: Final answer
    x = 4,438.82

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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.