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Finding the Fourth Proportional to 27,114.89, 40,671.12 and 7,393.44

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Solution

The fourth proportional to 27,114.89, 40,671.12 and 7,393.44 is: 11,089.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,114.89 : 40,671.12 = 7,393.44 : x
  2. Step 2: Convert to fraction form
    27,114.89/40,671.12 = 7,393.44/x
  3. Step 3: Cross multiply
    27,114.89x = 40,671.12 × 7,393.44
  4. Step 4: Simplify right side
    27,114.89x = 300,699,665.69
  5. Step 5: Solve for x
    x = 300,699,665.69/27,114.89
  6. Step 6: Final answer
    x = 11,089.84

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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.