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Finding the Fourth Proportional to 15,912.38, 23,860.92 and 5,913.92

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Solution

The fourth proportional to 15,912.38, 23,860.92 and 5,913.92 is: 8,868.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,912.38 : 23,860.92 = 5,913.92 : x
  2. Step 2: Convert to fraction form
    15,912.38/23,860.92 = 5,913.92/x
  3. Step 3: Cross multiply
    15,912.38x = 23,860.92 × 5,913.92
  4. Step 4: Simplify right side
    15,912.38x = 141,111,572.01
  5. Step 5: Solve for x
    x = 141,111,572.01/15,912.38
  6. Step 6: Final answer
    x = 8,868.04

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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.