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Finding the Fourth Proportional to 9,439.94, 14,170.86 and 5,065.94

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Solution

The fourth proportional to 9,439.94, 14,170.86 and 5,065.94 is: 7,604.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439.94 : 14,170.86 = 5,065.94 : x
  2. Step 2: Convert to fraction form
    9,439.94/14,170.86 = 5,065.94/x
  3. Step 3: Cross multiply
    9,439.94x = 14,170.86 × 5,065.94
  4. Step 4: Simplify right side
    9,439.94x = 71,788,655.65
  5. Step 5: Solve for x
    x = 71,788,655.65/9,439.94
  6. Step 6: Final answer
    x = 7,604.78

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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.