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Finding the Fourth Proportional to 7,617.01, 11,425.49 and 2,685.46

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Solution

The fourth proportional to 7,617.01, 11,425.49 and 2,685.46 is: 4,028.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617.01 : 11,425.49 = 2,685.46 : x
  2. Step 2: Convert to fraction form
    7,617.01/11,425.49 = 2,685.46/x
  3. Step 3: Cross multiply
    7,617.01x = 11,425.49 × 2,685.46
  4. Step 4: Simplify right side
    7,617.01x = 30,682,683.77
  5. Step 5: Solve for x
    x = 30,682,683.77/7,617.01
  6. Step 6: Final answer
    x = 4,028.18

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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.