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Finding the Fourth Proportional to 16,557.80, 22,849.97 and 9,004.22

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Solution

The fourth proportional to 16,557.80, 22,849.97 and 9,004.22 is: 12,425.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,557.80 : 22,849.97 = 9,004.22 : x
  2. Step 2: Convert to fraction form
    16,557.80/22,849.97 = 9,004.22/x
  3. Step 3: Cross multiply
    16,557.80x = 22,849.97 × 9,004.22
  4. Step 4: Simplify right side
    16,557.80x = 205,745,997.60
  5. Step 5: Solve for x
    x = 205,745,997.60/16,557.80
  6. Step 6: Final answer
    x = 12,425.93

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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.