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Finding the Fourth Proportional to 18,557.66, 25,614.02 and 10,604.52

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Solution

The fourth proportional to 18,557.66, 25,614.02 and 10,604.52 is: 14,636.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,557.66 : 25,614.02 = 10,604.52 : x
  2. Step 2: Convert to fraction form
    18,557.66/25,614.02 = 10,604.52/x
  3. Step 3: Cross multiply
    18,557.66x = 25,614.02 × 10,604.52
  4. Step 4: Simplify right side
    18,557.66x = 271,624,413.88
  5. Step 5: Solve for x
    x = 271,624,413.88/18,557.66
  6. Step 6: Final answer
    x = 14,636.78

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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.