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Finding the Fourth Proportional to 9,002.87, 13,505.21 and 3,460.92

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Solution

The fourth proportional to 9,002.87, 13,505.21 and 3,460.92 is: 5,191.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,002.87 : 13,505.21 = 3,460.92 : x
  2. Step 2: Convert to fraction form
    9,002.87/13,505.21 = 3,460.92/x
  3. Step 3: Cross multiply
    9,002.87x = 13,505.21 × 3,460.92
  4. Step 4: Simplify right side
    9,002.87x = 46,740,451.39
  5. Step 5: Solve for x
    x = 46,740,451.39/9,002.87
  6. Step 6: Final answer
    x = 5,191.73

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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.