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Finding the Fourth Proportional to 15,737.37, 23,620.63 and 7,951.65

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Solution

The fourth proportional to 15,737.37, 23,620.63 and 7,951.65 is: 11,934.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,737.37 : 23,620.63 = 7,951.65 : x
  2. Step 2: Convert to fraction form
    15,737.37/23,620.63 = 7,951.65/x
  3. Step 3: Cross multiply
    15,737.37x = 23,620.63 × 7,951.65
  4. Step 4: Simplify right side
    15,737.37x = 187,822,864.44
  5. Step 5: Solve for x
    x = 187,822,864.44/15,737.37
  6. Step 6: Final answer
    x = 11,934.84

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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.