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Finding the Fourth Proportional to 19,323.94, 28,998.90 and 6,843.92

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Solution

The fourth proportional to 19,323.94, 28,998.90 and 6,843.92 is: 10,270.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,323.94 : 28,998.90 = 6,843.92 : x
  2. Step 2: Convert to fraction form
    19,323.94/28,998.90 = 6,843.92/x
  3. Step 3: Cross multiply
    19,323.94x = 28,998.90 × 6,843.92
  4. Step 4: Simplify right side
    19,323.94x = 198,466,151.69
  5. Step 5: Solve for x
    x = 198,466,151.69/19,323.94
  6. Step 6: Final answer
    x = 10,270.48

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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.