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Finding the Fourth Proportional to 16,673.87, 23,015.73 and 9,603.11

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Solution

The fourth proportional to 16,673.87, 23,015.73 and 9,603.11 is: 13,255.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,673.87 : 23,015.73 = 9,603.11 : x
  2. Step 2: Convert to fraction form
    16,673.87/23,015.73 = 9,603.11/x
  3. Step 3: Cross multiply
    16,673.87x = 23,015.73 × 9,603.11
  4. Step 4: Simplify right side
    16,673.87x = 221,022,471.84
  5. Step 5: Solve for x
    x = 221,022,471.84/16,673.87
  6. Step 6: Final answer
    x = 13,255.62

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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.