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Finding the Fourth Proportional to 25,813.43, 38,737.54 and 9,173.71

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Solution

The fourth proportional to 25,813.43, 38,737.54 and 9,173.71 is: 13,766.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,813.43 : 38,737.54 = 9,173.71 : x
  2. Step 2: Convert to fraction form
    25,813.43/38,737.54 = 9,173.71/x
  3. Step 3: Cross multiply
    25,813.43x = 38,737.54 × 9,173.71
  4. Step 4: Simplify right side
    25,813.43x = 355,366,800.06
  5. Step 5: Solve for x
    x = 355,366,800.06/25,813.43
  6. Step 6: Final answer
    x = 13,766.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.