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Finding the Fourth Proportional to 9,974.75, 14,958.62 and 5,470.90

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Solution

The fourth proportional to 9,974.75, 14,958.62 and 5,470.90 is: 8,204.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,974.75 : 14,958.62 = 5,470.90 : x
  2. Step 2: Convert to fraction form
    9,974.75/14,958.62 = 5,470.90/x
  3. Step 3: Cross multiply
    9,974.75x = 14,958.62 × 5,470.90
  4. Step 4: Simplify right side
    9,974.75x = 81,837,069.92
  5. Step 5: Solve for x
    x = 81,837,069.92/9,974.75
  6. Step 6: Final answer
    x = 8,204.43

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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.