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Finding the Fourth Proportional to 16,553.45, 22,843.79 and 9,101.45

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Solution

The fourth proportional to 16,553.45, 22,843.79 and 9,101.45 is: 12,560.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,553.45 : 22,843.79 = 9,101.45 : x
  2. Step 2: Convert to fraction form
    16,553.45/22,843.79 = 9,101.45/x
  3. Step 3: Cross multiply
    16,553.45x = 22,843.79 × 9,101.45
  4. Step 4: Simplify right side
    16,553.45x = 207,911,452.77
  5. Step 5: Solve for x
    x = 207,911,452.77/16,553.45
  6. Step 6: Final answer
    x = 12,560.01

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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.