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Finding the Fourth Proportional to 16,554.25, 22,845.31 and 9,001.09

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Solution

The fourth proportional to 16,554.25, 22,845.31 and 9,001.09 is: 12,421.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,554.25 : 22,845.31 = 9,001.09 : x
  2. Step 2: Convert to fraction form
    16,554.25/22,845.31 = 9,001.09/x
  3. Step 3: Cross multiply
    16,554.25x = 22,845.31 × 9,001.09
  4. Step 4: Simplify right side
    16,554.25x = 205,632,577.16
  5. Step 5: Solve for x
    x = 205,632,577.16/16,554.25
  6. Step 6: Final answer
    x = 12,421.74

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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.