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Finding the Fourth Proportional to 16,088.01, 22,201.60 and 8,918.09

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Solution

The fourth proportional to 16,088.01, 22,201.60 and 8,918.09 is: 12,307.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,088.01 : 22,201.60 = 8,918.09 : x
  2. Step 2: Convert to fraction form
    16,088.01/22,201.60 = 8,918.09/x
  3. Step 3: Cross multiply
    16,088.01x = 22,201.60 × 8,918.09
  4. Step 4: Simplify right side
    16,088.01x = 197,995,755.94
  5. Step 5: Solve for x
    x = 197,995,755.94/16,088.01
  6. Step 6: Final answer
    x = 12,307.04

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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.