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Finding the Fourth Proportional to 8,060.66, 12,035.81 and 7,222.31

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Solution

The fourth proportional to 8,060.66, 12,035.81 and 7,222.31 is: 10,784.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,060.66 : 12,035.81 = 7,222.31 : x
  2. Step 2: Convert to fraction form
    8,060.66/12,035.81 = 7,222.31/x
  3. Step 3: Cross multiply
    8,060.66x = 12,035.81 × 7,222.31
  4. Step 4: Simplify right side
    8,060.66x = 86,926,308.80
  5. Step 5: Solve for x
    x = 86,926,308.80/8,060.66
  6. Step 6: Final answer
    x = 10,784.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.