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Finding the Fourth Proportional to 18,594.70, 27,879.66 and 6,746.93

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Solution

The fourth proportional to 18,594.70, 27,879.66 and 6,746.93 is: 10,115.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,594.70 : 27,879.66 = 6,746.93 : x
  2. Step 2: Convert to fraction form
    18,594.70/27,879.66 = 6,746.93/x
  3. Step 3: Cross multiply
    18,594.70x = 27,879.66 × 6,746.93
  4. Step 4: Simplify right side
    18,594.70x = 188,102,236.42
  5. Step 5: Solve for x
    x = 188,102,236.42/18,594.70
  6. Step 6: Final answer
    x = 10,115.91

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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.