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Finding the Fourth Proportional to 19,101.92, 28,653.08 and 5,775.03

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Solution

The fourth proportional to 19,101.92, 28,653.08 and 5,775.03 is: 8,662.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,101.92 : 28,653.08 = 5,775.03 : x
  2. Step 2: Convert to fraction form
    19,101.92/28,653.08 = 5,775.03/x
  3. Step 3: Cross multiply
    19,101.92x = 28,653.08 × 5,775.03
  4. Step 4: Simplify right side
    19,101.92x = 165,472,396.59
  5. Step 5: Solve for x
    x = 165,472,396.59/19,101.92
  6. Step 6: Final answer
    x = 8,662.61

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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.