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Finding the Fourth Proportional to 8,885.09, 13,324.56 and 4,942.34

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Solution

The fourth proportional to 8,885.09, 13,324.56 and 4,942.34 is: 7,411.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885.09 : 13,324.56 = 4,942.34 : x
  2. Step 2: Convert to fraction form
    8,885.09/13,324.56 = 4,942.34/x
  3. Step 3: Cross multiply
    8,885.09x = 13,324.56 × 4,942.34
  4. Step 4: Simplify right side
    8,885.09x = 65,854,542.91
  5. Step 5: Solve for x
    x = 65,854,542.91/8,885.09
  6. Step 6: Final answer
    x = 7,411.80

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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.