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Finding the Fourth Proportional to 30,052.78, 41,472.06 and 16,623.70

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Solution

The fourth proportional to 30,052.78, 41,472.06 and 16,623.70 is: 22,940.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,052.78 : 41,472.06 = 16,623.70 : x
  2. Step 2: Convert to fraction form
    30,052.78/41,472.06 = 16,623.70/x
  3. Step 3: Cross multiply
    30,052.78x = 41,472.06 × 16,623.70
  4. Step 4: Simplify right side
    30,052.78x = 689,419,083.82
  5. Step 5: Solve for x
    x = 689,419,083.82/30,052.78
  6. Step 6: Final answer
    x = 22,940.28

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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.