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Finding the Fourth Proportional to 19,097.87, 28,646.80 and 5,951.30

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Solution

The fourth proportional to 19,097.87, 28,646.80 and 5,951.30 is: 8,926.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,097.87 : 28,646.80 = 5,951.30 : x
  2. Step 2: Convert to fraction form
    19,097.87/28,646.80 = 5,951.30/x
  3. Step 3: Cross multiply
    19,097.87x = 28,646.80 × 5,951.30
  4. Step 4: Simplify right side
    19,097.87x = 170,485,542.73
  5. Step 5: Solve for x
    x = 170,485,542.73/19,097.87
  6. Step 6: Final answer
    x = 8,926.94

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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.