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Finding the Fourth Proportional to 16,628.13, 22,946.61 and 9,553.99

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Solution

The fourth proportional to 16,628.13, 22,946.61 and 9,553.99 is: 13,184.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,628.13 : 22,946.61 = 9,553.99 : x
  2. Step 2: Convert to fraction form
    16,628.13/22,946.61 = 9,553.99/x
  3. Step 3: Cross multiply
    16,628.13x = 22,946.61 × 9,553.99
  4. Step 4: Simplify right side
    16,628.13x = 219,231,682.47
  5. Step 5: Solve for x
    x = 219,231,682.47/16,628.13
  6. Step 6: Final answer
    x = 13,184.39

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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.