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Finding the Fourth Proportional to 16,277.79, 22,463.97 and 9,203.79

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Solution

The fourth proportional to 16,277.79, 22,463.97 and 9,203.79 is: 12,701.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,277.79 : 22,463.97 = 9,203.79 : x
  2. Step 2: Convert to fraction form
    16,277.79/22,463.97 = 9,203.79/x
  3. Step 3: Cross multiply
    16,277.79x = 22,463.97 × 9,203.79
  4. Step 4: Simplify right side
    16,277.79x = 206,753,662.45
  5. Step 5: Solve for x
    x = 206,753,662.45/16,277.79
  6. Step 6: Final answer
    x = 12,701.58

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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.