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Finding the Fourth Proportional to 8,266.58, 12,398.73 and 2,343.91

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Solution

The fourth proportional to 8,266.58, 12,398.73 and 2,343.91 is: 3,515.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.58 : 12,398.73 = 2,343.91 : x
  2. Step 2: Convert to fraction form
    8,266.58/12,398.73 = 2,343.91/x
  3. Step 3: Cross multiply
    8,266.58x = 12,398.73 × 2,343.91
  4. Step 4: Simplify right side
    8,266.58x = 29,061,507.23
  5. Step 5: Solve for x
    x = 29,061,507.23/8,266.58
  6. Step 6: Final answer
    x = 3,515.54

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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.