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Finding the Fourth Proportional to 30,076.58, 41,505.03 and 16,647.03

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Solution

The fourth proportional to 30,076.58, 41,505.03 and 16,647.03 is: 22,972.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,076.58 : 41,505.03 = 16,647.03 : x
  2. Step 2: Convert to fraction form
    30,076.58/41,505.03 = 16,647.03/x
  3. Step 3: Cross multiply
    30,076.58x = 41,505.03 × 16,647.03
  4. Step 4: Simplify right side
    30,076.58x = 690,935,479.56
  5. Step 5: Solve for x
    x = 690,935,479.56/30,076.58
  6. Step 6: Final answer
    x = 22,972.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.