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Finding the Fourth Proportional to 18,652.11, 25,737.98 and 10,583.19

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Solution

The fourth proportional to 18,652.11, 25,737.98 and 10,583.19 is: 14,603.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,652.11 : 25,737.98 = 10,583.19 : x
  2. Step 2: Convert to fraction form
    18,652.11/25,737.98 = 10,583.19/x
  3. Step 3: Cross multiply
    18,652.11x = 25,737.98 × 10,583.19
  4. Step 4: Simplify right side
    18,652.11x = 272,389,932.56
  5. Step 5: Solve for x
    x = 272,389,932.56/18,652.11
  6. Step 6: Final answer
    x = 14,603.71

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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.