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Finding the Fourth Proportional to 16,924.50, 23,355.81 and 9,472.50

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Solution

The fourth proportional to 16,924.50, 23,355.81 and 9,472.50 is: 13,072.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,924.50 : 23,355.81 = 9,472.50 : x
  2. Step 2: Convert to fraction form
    16,924.50/23,355.81 = 9,472.50/x
  3. Step 3: Cross multiply
    16,924.50x = 23,355.81 × 9,472.50
  4. Step 4: Simplify right side
    16,924.50x = 221,237,910.23
  5. Step 5: Solve for x
    x = 221,237,910.23/16,924.50
  6. Step 6: Final answer
    x = 13,072.05

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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.