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Finding the Fourth Proportional to 8,065.56, 12,098.70 and 2,222.22

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Solution

The fourth proportional to 8,065.56, 12,098.70 and 2,222.22 is: 3,333.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065.56 : 12,098.70 = 2,222.22 : x
  2. Step 2: Convert to fraction form
    8,065.56/12,098.70 = 2,222.22/x
  3. Step 3: Cross multiply
    8,065.56x = 12,098.70 × 2,222.22
  4. Step 4: Simplify right side
    8,065.56x = 26,885,973.11
  5. Step 5: Solve for x
    x = 26,885,973.11/8,065.56
  6. Step 6: Final answer
    x = 3,333.43

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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.