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Finding the Fourth Proportional to 8,606.57, 12,912.29 and 4,448.84

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Solution

The fourth proportional to 8,606.57, 12,912.29 and 4,448.84 is: 6,674.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,606.57 : 12,912.29 = 4,448.84 : x
  2. Step 2: Convert to fraction form
    8,606.57/12,912.29 = 4,448.84/x
  3. Step 3: Cross multiply
    8,606.57x = 12,912.29 × 4,448.84
  4. Step 4: Simplify right side
    8,606.57x = 57,444,658.80
  5. Step 5: Solve for x
    x = 57,444,658.80/8,606.57
  6. Step 6: Final answer
    x = 6,674.52

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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.