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Finding the Fourth Proportional to 16,616.98, 22,930.05 and 9,541.90

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Solution

The fourth proportional to 16,616.98, 22,930.05 and 9,541.90 is: 13,167.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,616.98 : 22,930.05 = 9,541.90 : x
  2. Step 2: Convert to fraction form
    16,616.98/22,930.05 = 9,541.90/x
  3. Step 3: Cross multiply
    16,616.98x = 22,930.05 × 9,541.90
  4. Step 4: Simplify right side
    16,616.98x = 218,796,244.10
  5. Step 5: Solve for x
    x = 218,796,244.10/16,616.98
  6. Step 6: Final answer
    x = 13,167.03

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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.