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Finding the Fourth Proportional to 16,804.50, 23,190.21 and 9,352.50

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Solution

The fourth proportional to 16,804.50, 23,190.21 and 9,352.50 is: 12,906.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,804.50 : 23,190.21 = 9,352.50 : x
  2. Step 2: Convert to fraction form
    16,804.50/23,190.21 = 9,352.50/x
  3. Step 3: Cross multiply
    16,804.50x = 23,190.21 × 9,352.50
  4. Step 4: Simplify right side
    16,804.50x = 216,886,439.03
  5. Step 5: Solve for x
    x = 216,886,439.03/16,804.50
  6. Step 6: Final answer
    x = 12,906.45

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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.