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Finding the Fourth Proportional to 9,461.56, 14,202.03 and 7,812.85

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Solution

The fourth proportional to 9,461.56, 14,202.03 and 7,812.85 is: 11,727.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,461.56 : 14,202.03 = 7,812.85 : x
  2. Step 2: Convert to fraction form
    9,461.56/14,202.03 = 7,812.85/x
  3. Step 3: Cross multiply
    9,461.56x = 14,202.03 × 7,812.85
  4. Step 4: Simplify right side
    9,461.56x = 110,958,330.09
  5. Step 5: Solve for x
    x = 110,958,330.09/9,461.56
  6. Step 6: Final answer
    x = 11,727.28

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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.