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Finding the Fourth Proportional to 19,098.56, 28,658.99 and 8,004.33

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Solution

The fourth proportional to 19,098.56, 28,658.99 and 8,004.33 is: 12,011.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,098.56 : 28,658.99 = 8,004.33 : x
  2. Step 2: Convert to fraction form
    19,098.56/28,658.99 = 8,004.33/x
  3. Step 3: Cross multiply
    19,098.56x = 28,658.99 × 8,004.33
  4. Step 4: Simplify right side
    19,098.56x = 229,396,013.43
  5. Step 5: Solve for x
    x = 229,396,013.43/19,098.56
  6. Step 6: Final answer
    x = 12,011.17

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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.