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Finding the Fourth Proportional to 19,194.92, 28,794.80 and 7,506.62

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Solution

The fourth proportional to 19,194.92, 28,794.80 and 7,506.62 is: 11,260.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,194.92 : 28,794.80 = 7,506.62 : x
  2. Step 2: Convert to fraction form
    19,194.92/28,794.80 = 7,506.62/x
  3. Step 3: Cross multiply
    19,194.92x = 28,794.80 × 7,506.62
  4. Step 4: Simplify right side
    19,194.92x = 216,151,496.37
  5. Step 5: Solve for x
    x = 216,151,496.37/19,194.92
  6. Step 6: Final answer
    x = 11,260.87

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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.