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Finding the Fourth Proportional to 18,295.75, 25,247.81 and 10,337.81

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Solution

The fourth proportional to 18,295.75, 25,247.81 and 10,337.81 is: 14,265.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,295.75 : 25,247.81 = 10,337.81 : x
  2. Step 2: Convert to fraction form
    18,295.75/25,247.81 = 10,337.81/x
  3. Step 3: Cross multiply
    18,295.75x = 25,247.81 × 10,337.81
  4. Step 4: Simplify right side
    18,295.75x = 261,006,936.46
  5. Step 5: Solve for x
    x = 261,006,936.46/18,295.75
  6. Step 6: Final answer
    x = 14,265.99

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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.