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Finding the Fourth Proportional to 8,660.01, 11,940.04 and 7,225.03

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Solution

The fourth proportional to 8,660.01, 11,940.04 and 7,225.03 is: 9,961.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,660.01 : 11,940.04 = 7,225.03 : x
  2. Step 2: Convert to fraction form
    8,660.01/11,940.04 = 7,225.03/x
  3. Step 3: Cross multiply
    8,660.01x = 11,940.04 × 7,225.03
  4. Step 4: Simplify right side
    8,660.01x = 86,267,171.16
  5. Step 5: Solve for x
    x = 86,267,171.16/8,660.01
  6. Step 6: Final answer
    x = 9,961.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.