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Finding the Fourth Proportional to 7,975, 11,965.02 and 3,592.84

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Solution

The fourth proportional to 7,975, 11,965.02 and 3,592.84 is: 5,390.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975 : 11,965.02 = 3,592.84 : x
  2. Step 2: Convert to fraction form
    7,975/11,965.02 = 3,592.84/x
  3. Step 3: Cross multiply
    7,975x = 11,965.02 × 3,592.84
  4. Step 4: Simplify right side
    7,975x = 42,988,402.46
  5. Step 5: Solve for x
    x = 42,988,402.46/7,975
  6. Step 6: Final answer
    x = 5,390.40

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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.